Silverman A friendly introduction to number theory / Joseph H. Silverman. - 3rd ed.. - Upper Saddle River Pearson Prentice Hall 2006. - vii, 434p. ill. 24cm Includes index p.423 - 434 ISBN: 0131861379 Subjects--Topical Terms: Number theory--Textbooks Dewey Class. No.: 512.7 SIL 2006