Silverman, Joseph H. A Friendly introduction to number theory / Joseph H. Silverman - Fourth edition - India: Pearson, 2019. - ix, 409 pages ; 24 cm. - Pearson modern classic . Includes bibliographical references and index. ISBN: 9789353433079 Pbk. Subjects--Topical Terms: Number theory LC Class. No.: QA 241 S55 2019 CIRC