Tattersall, James J. Elementary Number Theory in Nine Chapters / by James J. Tattersall - 2nd ed. - Cambridge : Cambridge University Press, 2014. - xi, 430 p. : ill. ; 23 cm. Includes bibliographic references and index. ISBN: 9781107670006 (pbk.) Subjects--Topical Terms: Number Theory. Dewey Class. No.: 512.72 / TAT/E