Gaal, Steven A. Point set topology / by Stephen A. Gaal. - New York : Academic Press, 1964. - xi, 317 p. ; 24 cm. - Pure and applied mathematics; a series of monographs and textbooks, 16 . - Pure and applied mathematics (Academic Press) ; 16. . Includes bibliographies and index Subjects--Topical Terms: Set theoryTopology Dewey Class. No.: 511.322 / GAP 1964