Niven, Ivan An introduction to the theory of numbers / Ivan Niven, Herbert S. Zuckerman, Hugh L. Montgomery - 5th ed. - New York : John Wiley, 1991 - vii, 529 p. : ill. ; 23 cm. Bibliography : p. 500-502 Includes index ISBN: 0471546003 LCCN: 90-013013 Subjects--Topical Terms: Number theory