Cohen, Marshall M. A course in simple-homotopy theory by M. M. Cohen. - New York: Springer-Verlag, 1973. - x, 114 p.: illus.; 24 cm. - Graduate texts in mathematics, 10 . Bibliography: p. 109-111. ISBN: 0387900551 (pbk.) 038790056X (hard cover) Subjects--Topical Terms: Homotopy theory. Dewey Class. No.: 514.2 COH