Plaat, Otto, 1924- Ordinary differential equations / Otto Plaat - San Francisco : Holden-Day, 1971 - xi, 295 p. : ill. ; 24 cm. - Holden-Day series in mathematics . Bibliography: p. 291. ISBN: 0816268444 Subjects--Topical Terms: Differential equations. Dewey Class. No.: 515.352 / PLO 1971