Burton, David M. Elementary number theory/ David M. Burton. - Boston: Allyn and Bacon, [1976]. - vii, 358 p.: 24 cm. Includes index. Bibliography: p. 321-323. ISBN: 0205048145 : $12.95 LCCN: 75002453 //r90 Subjects--Topical Terms: Number theory. Dewey Class. No.: 512.72 / B974e