Coddington, Earl A., 1920- An introduction to ordinary differential equations. - Englewood Cliffs, N.J., Prentice-Hall, 1961. - 292 p. illus. 24 cm. - Prentice-Hall mathematics series . Includes bibliography. LCCN: 61015333 Subjects--Topical Terms: Differential equations. LC Class. No.: QA372 / .C59 Dewey Class. No.: 517.382