Weisstein, Eric W. CRC concise encyclopedia of mathematics / Eric W. Weisstein - 2nd ed. - Boca Raton : Chapman & Hall/CRC, 2003 - 3242 p. : ill. ; 29 cm. Includes bibliographical references ISBN: 1584883472 RM583.93 LCCN: 2002-074126 Subjects--Topical Terms: Mathematics--Encyclopedias