Tenenbaum, Morris. Ordinary differential equations : An elementary textbook for students of mathematics, engineering, and the sciences [by] Morris Tenenbaum [and] Harry Pollard. - New York : Harper & Row, 1963. - 808 p. : illus. ; 25 cm. Includes bibliography. Subjects--Topical Terms: Differential equations. Dewey Class. No.: 517.38 / TEO 1963