Deo, S.G. . Text book of ordinary differential equations / by S.G.Deo; V.Lakshmikantham; V.Raghavendra. - New Delhi : Tata McGraw-Hill Publishing Company Ltd. , 1997 - xiii, 303p : ISBN: 0-07-463078-4 Subjects--Topical Terms: Mathematics Dewey Class. No.: B321 / N7