Chowdhury, Fatema Essentials of number theory / By Fatema Chowdhury and Munibur Rahman Chowdhury. - Ist ed. - Dhaka : Pi Publications c2005 - iv,224p. ; 24cm. Includes index and bibliography ISBN: 9843228367 Subjects--Topical Terms: Essentials of number theory Dewey Class. No.: 512.7 / CHE