Lipschutz, Seymour Schaum's Outline of Theory and Problems Set Theory and Related Topics. - 2nd ed. - New Delhi: Mc Graw-Hill Book Company, 1999. - 282 p.: 24 cm. Includes, index ISBN: 0070990131 Subjects--Topical Terms: Theory, Problems, Set Theory Dewey Class. No.: 511.322 L767t 1998