Kraft, James S. ELEMENTARY NUMBER THEORY - NEWYORK CRC PRESS 2015 - 393 - Textbooks in mathematics . "A Chapman & Hall book." ISBN: 9781498702683 (hardcover : alk. paper) 1498702686 (hardcover : alk. paper) Subjects--Topical Terms: Number theory. Dewey Class. No.: 512.72 / JAM