Niven, Ivan Morton An introduction to the theory of numbers / by Ivan Niven, Herbert S. Zuckerman and Hugh L. Montgomery. - 5th ed. - New Delhi : Wiley, c1991. - xiii, 529 p. : ill. ; 25 cm. Includes bibliographical references (p. 500-502) and index. ISBN: 9788126518111 Subjects--Topical Terms: Number theory. Dewey Class. No.: 512.7 / NIV/I