CODDINGTON,E.A. Theory of ordinary differential equations Earla A.Coddington and Norman Levinson - 10th ed. - New Delhi Tata Mcgraw hill 1990 - 429p. ISBN: 0-07-099256-8 63.00 Subjects--Topical Terms: DIFFERENTIAL EQUATIONS Dewey Class. No.: MATH 515.35 / CEn90