Stewart, Ian. Game, set, and math enigmas and conundrums Ian Stewart. - New York B. Blackwell 1989. - 191p. 920604 ISBN: 24.95 LCCN: 89017652 Subjects--Topical Terms: Mathematical recreations. LC Class. No.: QA95 / .S725 1989 Dewey Class. No.: 793.7/4