Simmons Differential equations : theory, technique, and practice / George F. Simmons and Steven G. Krantz. - New York McGraw-Hill Higher Education 2007. - x, 534p. ill. 24cm - The Walter Rudin student series in advanced mathematics . Includes index p.525 - 534 ISBN: 9780072863154 Subjects--Topical Terms: Differential equations--Textbooks Dewey Class. No.: 515.35 SIM 2007