Lipschutz, Seymour. 2000 solved problems in discrete mathematics / by Seymour Lipschutz, Marc Lars Lipson. - New York : McGraw-Hill, c1992. - iv, 404 p. : ill. ; 27 cm. - Schaum's solved problems series . Includes index. ISBN: 0070380317 ; Subjects--Topical Terms: Mathematics--Problems, exercises, etc. Call Number: QA43 . L66 1992 Contributor(s): Lipson, Marc. Dewey Class. No.: 510/.76