Clapham, Christopher. The concise Oxford dictionary of mathematics. - 4th ed. / Christopher Clapham, James Nicholson. - Oxford : Oxford University Press, 2009. - 510 p : ill. - Oxford Paperback Reference . Previous ed.: 2005. Includes bibliographical references and index. ISBN: 9780199235940 Subjects--Topical Terms: Mathematics --Dictionaries. LC Class. No.: QA5 / .C53