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Paperback. Zustand: Good. Paperback. Superficial marks on covers. Leading corners, edges and spine ends are slightly worn. Leading corners are slightly creased. Binding is intact, contents are clean and clear. AM. Used.

cloth. Zustand: Gut. 735 p., Good condition. Library copy with usual marks. Stamped edges. Sprache: Englisch Gewicht in Gramm: 1450.

256 S., Sprache: Englisch Gewicht in Gramm: 600 Groß 8°, Original-Pappband (Hardcover), Bibliotheks-Exemplar (ordungsgemäß entwidmet), Stempel auf Titel, insgesamt gutes und innen sauberes Exemplar,

Soft cover. Zustand: Fine. First article is without wrappers, the second is in printed wrappers, pages: 31; 8, text-figs. 8; 1, plates: xvi, former owner's name and mark on front of both, cover margins of second article a little browned, otherwise very fine.

Hardcover. Zustand: Very Good. Dust Jacket Included. 264 pages, a very good hardback in a very good dust-jacket, ex-library.

Hardcover. Zustand: Very good. Zustand des Schutzumschlags: good. Cloth/dust jacket mylar covered Octavo. 8vo, 246pp, list of contributors, list of illus., 20+ illus., footnotes The Neophilological Committee of Polish Acadamy of Sciences; When the noted authority on the theatre of England, Prof. Allardyce Nicoll came to Poland in 1959 for a series of lectures he found himself enlightened by a member of this committee that, although Shakespeare was a problem of Polish Literature, he was in fact considered one of Poland's four romantic bards. This book traces the history of this relationship. (superficially shelf worn dw).

Paperback. Zustand: Very Good. First Edition. Book.

Leinen, 16x24. Zustand: Gut. 302 Seiten Bibl. Ex. mit entsprechenden Vermerken und Stempeln innen sowie Rückenschild, altersbedingt guter Zustand bo107154 Sprache: Englisch Gewicht in Gramm: 750.

Paperback. Zustand: Good. Some wear, small rip to backstrip, pages browning. Previous owner's signature.

Hardcover. Zustand: Very Good. 1160 pages. Text in Polish.

Hardcover. Zustand: Near Fine. No Jacket. 8vo (24.8 cm), 256 pp. Publisher's cloth and dust jacket (endpapers slightly toned, minor shelf-wear). Monografie Matematyczne, vol. 43. Includes chapters on Monotone functions, Maximum and minimum solutions of ordinary differential equations, First order ordinary differential inequalities, Ordinary differential inequalities of higher order, Cauchy problem for ordinary differential equations, Cauchy problem for first partial differential equations, Partial differential inequalities of the first order, Second order partial differential inequalities of parabolic type, Differential inequalities in linear spaces.

Paper covers. Zustand: V.g. No Jacket. Monographiae Botanicae vol. 24. Discreet ink stamp inside front cover. Weight: 1.0 Language: Polish.

Paper covers. Zustand: Fine. No Jacket. 1st edition. Scarcely used. Weight: 1.0 Language: Polish.

Zustand: Gebraucht / Used. 1976. Or.cloth. xi,516pp. 8°.

XXVI, 504 S. OLwd. Bibliotheksex. m. Sign. a. Einbd. St. a. Tit. Schnitt farb. markiert. (Synthese Library 119) Sprache: Englisch.

Hardcover. Zustand: Very Good. 8vo (24.5 cm), 362 pp. Publisher's cloth and dust jacket (dj slightly frayed at extremities rubbed). Banach Center Publications Volume 11. Papers presented at the Stefan Banach Center at the Semester held February 15 - May 30, 1979. Contents include: "????????????? ???????? ??????????? ????????????? ? ????", ?. ???????????, ?. ???????????, ?. ???????; "On the domains of existence for plurisubharmonic functions" by Urban Cegrell; "On the maximum principle for the quotiont of norms of mappings" by Jacek Ch?dzi?ski; "????????? ???????????? ??????? ? ??????????? ??????????? ??????? ? ?? ??????????", ?. ??????; "Fonctions presque holomorphes" by Stan?o Dimiev; "A remark on Hartogs' double series" by Jaroslav Fuka; "The coefficient problem for functions with positive real part in a finitely connected domain" by Helmut Grunsky; "Classical extremal problems for univalent functions" by L. Iliev; "Foliations and the generalized complex Monge-Ampère equations" by Jerzy Kalina, Julian ?awrynowicz; "Ein verallgemeinerter transfiniter Durchmesser im Zusammenhang mit einer quasikonformen Normalabbildung" by Siegfried Kirsch; "The use of conjugate convex functions in complex analysis" by Christer Kieselman; "Regions of variability for bounded univalent functions and distortion theorems" by L. Koczan, J. Szynal; "Topics form classical theory of conformal mapping" by Yûsaku Komatu; "??????? ??????????? ?????? ? ??? ?????????? ? ?????? ??????????????? ???????????", ?. ??????; "Eine Extremalcharakterisierung von Unterschallgasströmungen durch quasikonforme Abbildungen" by Reiner Kühnau; "Die hyperbolische Metrik als Grenzfall einer durch quasikonforme Abbildungen definierten Metrik" by Reiner Kühnau; "On boundary behaviour of Bergman kernel function for plane domains and their Cartesian products" by Ewa Ligocka; "Analytic functionals on the sphere and their Fourier-Borel transformations" by Mitsuo Morimoto; "Complex methods in non-linear analysis" by Josef Naas, Wolfgang Tutschke; "???????????? ????????? ???????", ?. ????????; "Sur les fonctions analytiques f(x,y) dont l'ensemble des zéros par rapport a y est algébrique" by Van Nguyen; "Some applications of the Bergman kernel to geometrical theory of functions" by I. Ramadanov; "Expansion of analytic functions in series of classical orthogonal polynomials" by Peter Rusev; "On the equivalence between locally polar and globally polar sets in Cn" by J. Siciak; Schroeder's functions" by Henryka ?mia?ek; "On the metric |f(z)|?|dz| with holomorphic f" by Kurt Strebel; "Relations between the boundary values and periods for generalized analytic functions in Rn" by Wolfgang Tutschke; "Solutions with prescribed periods on the boundary components on non-linear elliptic systems of first order in multiply connected domains in the plane" by Wolfgang Tutschke; "Lindelöf-type theorems for quasiconformal and quasiregular mappings" by Matti Vuorinen.

Paperback. Zustand: Very Good. Text in English. 416 pages; b/w illustrations throughout, four b/w photographic plates. Covers very good, toned with a little general wear and slight rubbing. Contents clean and tight, unmarked, no inscriptions. A very good copy. (Monographie Botanicae vol. IV.) Size: Small 4to (small A4). Book.

Soft cover. Zustand: Fine. 1st Edition. Lovely copy of this title. pp.230-315. Booklet is fine with no marks or inscriptions.

Hardcover. Zustand: Very Good. 8vo (24.5 cm), 317, [3] pp, 2 plates. Publisher's cloth and dust jacket (dj slightly rubbed). This book comprises the scientific publications of Zygmunt Janiszewski (1888-1920), a distinguished Polish mathematician known for his topological theorems bearing his name. Janiszewski was not only the founder of the periodical "Fundamenta Mathematicae" but also a philosopher and organizer. Thanks to the audacity of his ideas and the force of his character, he emerged as one of the creators of the Polish school of mathematics.

Softbound. Zustand: Very Good. Small octavo, paper covers in dust jacket, 355 pp., maps, tables, index Translated into Polish by Jerzy Tomaszewski.

Hardcover. Zustand: Near Fine. 8vo (24.5 cm), 397 pp. Publisher's cloth and dust jacket (dj slightly frayed at extremities and rubbed). Banach Center Publications Volume 19. Contents include: "Uniqueness and regularity properties of linear operators and their applications" by T. B. Boev; "p-harmonic equation and quasiregular mappings" by B. Bojarski, T. Iwaniec; "Heteroclinic connections of stationary solutions of scalar reaction-diffusion equations" by P. Brunovský, B. Fiedler; "Perturbation properties of the spectrum of periodic Schrödinger operators" by Marek Burnat, Jan Herczy?ski, Bogdan Zawisza; "A perturbation problem with two small parameters in the framework of the heat conduction of a fiber reinforced body" by D. Caillerie, B. Dinari; "Some aspects of holomorphic approximations from the point of view of PDEs" by Roman Dwilewicz, Paul M. Gauthier; "Stabilization of solutions of a reaction-diffusion equation" by Marek Fila; "A discrete phenomenon in propagation of C? singularities" by Paul Godin; "The stationary phase method in Gevrey classes and Fourier integral operators on ultradistributions" by Todor V. Gramchev; "Approximation by solutions of general boundary value problems for elliptic equations of arbitrary order" by Uwe Hamann, Günther Wildenhain; "Schrödinger operators with almost periodic potentials in nonseparable Hilbert spaces" by Jan Herczy?ski; "Global strong solutions of Vlasov's equation--necessary and sufficient conditions for their existence" by E. Horst; "Continuity of quasiminima under the presence of irregular obstacles" by Per-Anders Ivert; "Existence and nonexistence of classical solutions of the Dirichlet problem for a class of fully nonlinear nonuniformly elliptic equations" by N. Kutev; "On the Euler-Lagrange inequality of a convex variational integral in Orlicz spaces" by Ari Lehtonen; "Microlocal solvability of the Cauchy problem and boundary regularity" by Otto Liess; "Some differential operators connected with quasiconformal deformations on manifold" by A. Pierzchalski; "Microlocal properties of a class of pseudodifferential operators with double involutive characteristics" by P. R. Popivanov; "A remark on symbols of an operator" by Jan A. Rempa?a; "Branching of asymptotics for elliptic operators on manifolds with edges" by S. Rempel, B. W. Schulze; "Boundary integral equations and modified Green's functions" by G. F. Roach; "Pseudodifferential operators with multiple characteristics and Gevrey classes" by Luigi Rodino; "On the edge singularities in composite media. Influence of anisotropy" by E. Sanchez-Palencia; "Sensitivity analysis of the Signorini variational inequality" by Jan Soko?owski; "Representations of groups on eigenspaces of invariant differential operators" by Henrik Stetkaer; "Limit behaviour of singular solutions of some semilinear elliptic equations" by Laurent Véron; "Some compactness methods in the theory of nonlinear evolution equations with applications to P.D.E." by Ioan I. Vrabie; "Two examples of an alternative approach to systems analogous to the heat polynomials" by W. Watzlawek; "Well-posedness of the Dirichlet problem and homotopy classification of elliptic systems of second-order partial differential equations" by A. Yanushauskas; "Some leakage problems for ideal incompressible fluid motion in domains with edges" by W. M. Zajaczkowski.

Hardcover. Zustand: Near Fine. 8vo (24.5 cm), 422 pp. Publisher's cloth and dust jacket (dj slightly frayed at extremities and dusted). Banach Center Publications Volume 10. Contents include: "Multiple layer potentials for the quadrant and their application to the Dirichlet problem in plane domains with a piecewise smooth boundary" by Günter Albinu; "New ideas on complete integrability" by Melvyn Berger; "Index theory and elliptic boundary value problems. Remarks and open problems"" by Bernhelm Booss, Bert Schulze; "The Bernoulli manifolds for nonelliptic quasilinear systems of first order and applications in continuum mechanics" by Marek Burnat; "On a class of elliptic differential operators degenerating at one point" by Johannes Elschner, Michael Lorenz; "Monotone operators with linear range"" by Jens Frehse; "On the smoothness of solutions of variational inequalities with obstacles" by Jens Frehse; "On existence and nonexistence results for nonlinear Schrödinger equations" by Herbert Gajewski; "On the spectral theory of pseudo-differential elliptic boundary problems" by Gerd Grubb; "Slowly decreasing entire functions and convolution equations" by Olaf von Grudzinski; "On the "Fundamental Principle" of L. Ehrenpreis" by Sönke Hansen; "Théorèmes d'indice pour des opérateurs différentiels à coefficients polynomiaux" by B. Helffer, J. Nourrigat; "Nonlinear parabolic boundary value problems in the Orlicz-Sobolev spaces" by J. Ka?ur; "Parametrices for a class of P.D. operators and applications"" by C. Parenti, L. Rodino; "On the hypoellipticity of pseudo-differential systems with a diagonal principal symbol" by P. Popivanow; "Parameter shifting and complete families of solutions to a singular parabolic equation" by W. Watzawek; "An analytical index formula for elliptic pseudo-differential boundary problems in the half-space" by Stephan Rempel; "Generic properties of nonlinear boundary value problems" by J. Saut; "Adjoints of elliptic boundary value problems" by Bert Schulze; "Solvability of a three-dimensional boundary value problem with a free surface for the stationary Navier-Stokes system" by V. Solonnikov; "On the spectral flow and the index theorem for flat vector bundles" by Krzysztof Wojciechowski.

Hardcover. Zustand: Near Fine. 8vo (24.5 cm), 603 pp. Publisher's cloth and dust jacket (dj slightly frayed at extremities and dusted). Banach Center Publications Volume 8. Contents include: "Several variable spectral theory in the noncommutative case" by Ernst Albrecht; "Some uses of subharmonicity in functional analysis" by Bernard Aupetit; "A decoupling approach to resonances for multiparticle quantum scattering systems" by H. Baumgärtel; "Summary of three lectures (Functions acting on weighted lp-algebras, Local completeness in operator algebras, Stability of deficiency indices)" by H. Behncke; "The spectral properties of the Schrödinger operator in nonseparable Hilbert spaces" by M. Burnat; "The spectral cutting problem" by M. Burnat; "Dilations to systems of matrix units" by M. Choi, Chandler Davis; "?-ultradistributions and their application to operator theory" by Ioana Cior?nescu, László Zsidó; "Sz. Nagy-Foias theory and similarity for a class of Toeplitz operators" by Douglas Clark; "Embedding C(X) in an algebra of analytic functions" by H. Dales; "On resonances in mathematical scattering theory" by Michael Demuth; "On the ideal structure of commutative Banach algebras" by Yngve Domar; "Discontinuous homomorphisms from C(K)" by Jean Esterle; "Some results on duality for spectral decompositions" by ?tefan Frunz?; Generalized weights for operator Lie algebras"" by ?tefan Frunz?; "The singular sequence problem" by Karl Gustafson; "On the spectral properties of tensor products of linear operators in Banach spaces" by Takashi Ichinose; "On spectral distributions of definitizable operators in Krein space" by Peter Jonas; "Fixed points of semigroups of positive operators in KB-spaces" by R. Kühne; "Notes on the Taylor joint spectrum of commuting operators"" by R. Levi; "The structure of a class of Banach algebras generated by a Banach space" by S. Levi; "A note on general dilation theorems" by W. Mlak; "On Jordan models of C0-contractions" by Vladimir Müller; "The Szegö and Beurling theorems and operator factorizations" by Lavon Page; "Distirbution of eigenvalues and nuclearity" by Albrecht Pietsch; "Survey of some results in spectral theory obtained in Prague" by Vlastimil Pták; "Universal estimates of the spectral radius" by Vlastimil Pták; "On the equations X=KXS and AX=XK" by Peter Rosenthal; "A perturbation of Lomonosov's theorem" by Peter Rosenthal; "Some questions in operator theory and applications in analysis" by James Rovnyak; "A note on semicharacters"" by Z. S?odkowski, W. ?elazko; "Fredholm theory in Banach algebras" by M. Smyth; "A survey on representations of the unitary group U(?)" by ?erban Str?til?, Dan Voiculescu; "Linear predictor for stationary processes in complete correlated actions" by Ion Suchi, Ilie Valu?escu; "Boundedness in dilation theory" by F. Szafraniec; "On the Choquet and Bishop-de Leeuw theorems" by Silviu Teleman; "Algebras of generalized analytic functions" by Toma Tonev; "A multi-dimensional spectral theory in C*-algebras"" by F. Vasilescu; "Invariant distances and invariant differential metrics in locally convex spaces" by Edoardo Vesentini; "The holomorphic functional calculus as an operational calculus" by L. Waelbroeck; "Quotient Banach spaces" by L. Waelbroeck; "Quotient Banach spaces; Multilinear theory" by L. Waelbroeck; "The Taylor spectrum and quotient Banach spaces" by L. Waelbroeck; "Properties of the spectral radius in Banach algebras" by Jaroslav Zemánek.

Hardcover. Zustand: Near Fine. 8vo (24.5 cm), 289 pp. Publisher's cloth and dust jacket (dj slightly frayed at extremities). Banach Center Publications Volume 5. Contents include "Homogenization and ergodic theory" by A. Bensoussan, J. Lions, G. Papanicolaou; "Weak inequalities for exit times and analytic functions" by D. Burkholder; "Probabilistic and analytic formulas for the periodic splines interpolating with multiple nodes" by Z. Ciesielski; "A note on a selection problem" by Z. Ciesielski, J. Zabczyk; "Stochastic differential equations in Hilbert spaces" by Anna Chojnowska-Michalik; "On ?² tests of composite hypotheses" by R. Dudley; "Martingale criteria for stochastic stability" by Hans Fölmer; "The tail structure of nonhomogeneous finite state Markov chains: survey" by Marius Losifescu; "Local characteristics and absolute continuity conditions for d-dimensional semi-martingales" by Jean Jacod; "Semi-stable measures" by R. Jajte; "A representation of the characteristic functions of stable distributions in Hilbert spaces" by Zbigniew Jurek; "On the adaptive control of countable Markov chains" by Petr Mandl; "On a non-linear semi-group associated with stochastic optimal control and its excessive majorant" by Makiko Nisio; "On the rate of convergence in the central limit theorem" by Z. Rychlik; "On trajectories of Gaussian Markov random fields" by D. Surgailis; "Geometric decomposability properties of probability measures" by K. Urbanik; "Construction of diffusion processes with Wentzell's boundary conditions by means of Poisson point processes of Brownian excursions" by Shinzo Watanabe; "On the stability of infinite-dimensional linear stochastic systems" by Jerzy Zabczyk; "Convergence rates for quadratic forms of random variables" by A. Zapa?a.

Hardcover. Zustand: Near Fine. 8vo (24.5 cm), 376 pp. Publisher's cloth and dust jacket (dj slightly frayed at extremities). Banach Center Publications Volume 6. Contents include: "On the solution of optimal performance of page storage hierarchies with an independent reference string" by M. Arató, A. Benczúr, A. Krámli; "A note on Ahlers and Lewis' representation of the best linear unbiased estimator in the general Gauss-Markoff model" by Jerzy Baksalary, Rados?aw Kala; "A note on the secretary problem" by R. Bartoszy?ski, Z. Govindarajlu; "Reducibility of statistical structures and decision problems" by R. Bartoszy?ski, E. Pleszczy?ska; "Stability, sensitivity and sensitivity of characterizations" by Bogus?awa Bednarek-Kozek, Andrzej Kozek; "On weak convergence of sequences of measures"" by Harald Bergström; "Seriation with applications in philology"" by L. Boneva; "Use of matrix approximation in statistics" by L. Corsten; "On basic concepts of mathematical statistics" by N. ?encov; "Hsu's theorem in variance component models" by Hilmar Drygas; "On the dynamic stochastic approximation" by Václav Dupa?; "On a generalization of a theorem of W. Sudderth and some applications" by A. Engelbert, H. Engelbert; "On absolute continuity and singularity of probability measures" by H. Engelbert, A. Shiryaev; "On Markovian decision processes with unbounded rewards" by H. Girlich; "Weak convergence of linear rank statistics" by Béla Gyires; "Sequential statistical structures" by H. Heckendorff; "On multiple test procedures" by Sture Holm; "Robust estimation in a linear regression model" by Jana Jure?ková; "A remark on the conditioning in limit theorems for dependent random vector in Rd" by Andrzej K?opotowski; "Rank tests for the hypotheses concerning unidentifiable objects" by E. Khmaladze, E. Parsadanishvily; "A note on confidence intervals for the Kiefer-Wolfowitz problem" by Jacek Koronacki; "On concepts and measures of bivariate stochastic dependence" by T. Kowalczyk, A. Matuszewski, A. Nalbach-Leniewska, E. Pleszczy?ska; "Statistical problems on point processes" by Klaus Krickeberg; "On the admissibility of tests for discrete exponential families" by Teresa Ledwina; "On the asymptotic distributions of certain functional of eigenvalues of correlation matrices" by Jack Lee, P. Krishnalah; "The conditional distribution of random errors for given observed values with application to factor analysis" by Ejnar Lyttkens; "Recursive interpolation of partially observable random fields" by A. Novikov; "Monotonicity properties of statistical procedures for an increasing number of observations or a decreasing number of parameters, especially Anova procedures" by R. Pincus; "About secretary problems" by E. Platen; "Asymptotic normality and convergence rates of linear rank statistics under alternatives" by Madan Puri, Navaratna Rajaram; "On some asymptotic results in statistics by way of contiguity" by George Roussas; "Testing for normality" by K. Sarkadi; "Some results for the quadratic analysis of Gaussian processes and applications" by J. Soler; "A simple technique for proving unbiasedness of tests and confidence regions" by Emil Spiøtvoll; "Some basic results on search linear models with nuisance parameters" by J. Srivastava; "Deviations from total information and from total ignorance as measures of information" by Erik Torgersen; "On the Cramér-Rao inequality and on a new version of the chi-square statistic" by I. Vincze; "Sequential estimation in processes with independent increments" by Wolfgang Winkler; "Soft modelling: intermediate between traditional model building and data analysis" by Herman Wold; "Some remarks on large deviations for weighted sums if Cramér's condition is not satisfied" by W. Wolf; "Robustness: a quantitative approach" by Ryszard Zieli?ski; "Completeness for a family of normal distributions" by Roman Zmy?lony; "Statistical estimates of the parameters of stable laws" by V. Zolotarev.

Hardcover. Zustand: Very Good. 8vo (24.5 cm), VI, 380 pp, 1 plate. Publisher's cloth and dust jacket (dj frayed at extremities and slightly rubbed, corners somewhat scuffed). Stefan Mazurkiewicz (1888-1945) was a renowned Polish mathematician and disciple of Wac?aw Sierpi?ski. He made significant contributions to mathematical analysis, topology, and probability theory. His complete bibliography comprises 141 works, of which 62 focus on topology and its applications are collected in this volume. These selections were made based on their profound impact on the advancement of topology or the elegant nature of the results they yielded. Preface by Casimir Kuratowski.

Folio 243 pages. Brown wrappers, some chisps and a bit rubbed. Internally VG. Includes facsimiles of manuscripts and bibliographical notes.

Hardcover. Zustand: Very Good. 8vo (24.5 cm), 316 pp. Publisher's cloth and dust jacket (dj slightly frayed at extremities and sunned, number written at the head, binding and internally very good). Banach Center Publications Volume 4. Papers presented at the Stefan Banach Center at the Semester held September 17-December 17, 1975. Contents include: "Approximation in metric linear spaces" by Günter Albinus; "Inequalities for fractional derivatives on the half-line" by V. Areatov; "On the uniform continuity of metric projection" by V. Berdyshev; "Local Lipschitz continuity of the metric projection operator" by B. Björnestål; "Equivalence, unconditionality and convergence a.e. of the spline bases in Lp spaces" by Z. Ciesielski; "Approximation of double coset spaces" by Bernd Dreseler, Walter Schempp; "On some applications of Bochner-Schoenberg-Eberlein type theorems" by Bernd Dreseler, Walter Schempp; "Zur Konstruktion von besten linearen Approximationen in normierten Räumen" by H. Kiesewetter; "On the strong summability and approximation of Fourier series" by L. Leindle; "Operator norm bounds and error bounds for quadratic spline interpolation" by Martin Marsden; "The upper bound of the norms of orthogonal projections onto subspaces of polygonal" by K. Oskolkow; "Quantitative estimates of N.N. Luzin's C-property for classes of integrable functions" by K. Oskolkow; "Properties of bounded orthonormal spline bases" by Stanis?aw Ropela; "On a generalization of the martingale maximal theorem" by F. Schipp; "Lower bounds for spline approximation" by Larry Schumaker; "Comparative approximation in two topologies" by H. Shapiro; "A counterexample in harmonic analysis" by H. Shapiro; "On Banach spaces in which every M-basis is a generalized summation basis" by Ivan Singer; "A relation between Fourier transforms in one and two variables" by Per Sjölin; "Indirect approximation theorems in Lp-metrics (1<p<?)" by R. Taberski; "On unconditional convergence of Haar series" by G. Tkebuchava; "A multiplier in Besov spaces which is not a multiplier in Lebesgue spaces" by Hans Triebel; "On the dual of weighted H1(|z|<1)" by Richard Wheeden; "On the application of the orthonormal Franklin system to the approximation of analytic functions" by Zugmunt Wronicz.

Hardcover. Zustand: Gut. xv,460 S. mit 32 Abb. (Synthese Library 62) OLwd. (ohne Orig.-Umschl.) Erste Ausgabe.- 1st. edition.

Hardcover. Zustand: Very Good. 8vo (24.8 cm), 251 pp. Publisher's cloth and dust jacket (dj slightly frayed at extremities and dusted, previous owner name stamped top of the front cover). Monografie Matematyczne, vol. 44. The aim of the book was to provide an overview of the theory of retracts, a significant chapter in topology that intersects with both set-theoretic topology and algebraic topology.