Hu, Sze-tsen, 1914- Homotopy theory / Sze-tsen Hu - New York : Academic Press, 1959. - 347 p. ; 24 cm. - Pure and applied mathematics. 8 . - Pure and applied mathematics (Academic Press) ; 8 . Includes index and bibliography Subjects--Topical Terms: Homotopy theory. Dewey Class. No.: 512.24 / HUH 1959