Chowdhury, K. C. A first course in number theory / K. C. Chowdhury - 2nd ed. - New Delhi : Asian Books Private Limited, 2012. - vii, 358p. ; ill. : 18 cm. It includes bibliographical information and index. ISBN: 9788184121728 Subjects--Topical Terms: Number theory Dewey Class. No.: 512.7 / CHO