Niven, Ivan Morton An introduction to the theory of numbers Ivan Niven, Herbert S. Zuckerman. - 4th ed. - New York Wiley c1980. - xii, 335 p. 24 cm. Includes index. Bibliography: p. 318-319. ISBN: 0471028517 18.95 (est.) LCCN: 79024869 //r90 Subjects--Topical Terms: Number theory.