Coddington, Earl A. 1920- Theory of ordinary differential equations / [textbook] by Earl A. Coddington and Norman Levinson - Malabar, Fla. : R.E. Krieger, 1984 - xii, 429 pages. ; 24 cm includes bibliographical reference and index Subjects--Topical Terms: Differential equations LC Class. No.: QA379 / COD