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. LCCN: 64021667 Nat. Bib. No.: GB66-16852 Subjects--Topical Terms: Topology. Dewey Class. No.: 514.322 / G111p