Goldberg, Jack L. 1932- Differential equations : a systems approach / Jack L.Goldberg, Merle C. Potter. - Upper Saddle River, NJ : Prentice-Hall, 1998. - xvii, 476 p. : ill.; 25 cm. Includes index. ISBN: 0132113198 Subjects--Topical Terms: Differential equations. Dewey Class. No.: 515.35 / GOL