Simmons, George F. Differential equations : theory, technique and pracrice George F. Simmons and Steven G. Krantz - New Delhi Tata McGraw Hill Publishing c2007 - x,534p.: ill. ; 24cm.- - The Walter Rwwwudin student series in advance mathematics . ISBN: 0070516094 Subjects--Topical Terms: Differential equations -Textbooks Dewey Class. No.: 515.35 / SIM