Rosen, Kenneth H. Elementary number theory and its applications / Kenneth H. Rosen. - 4th ed. - Reading, Mass. : Addison-Wesley Longman, 2000. - xviii, 638 p. : ill. ; 25 cm. Includes bibliographical references (p. 611-621) and index. ISBN: 0201870738 Subjects--Topical Terms: Number theory. LC Class. No.: QA241 / .R67 2000