Zill, Dennis G. A first course in differential equations with modeling applications/ Dennis G. Zill - Singapore : Brooks/Cole, c2000. - ix, 438 p. (various pagings) ; 25 cm. includes index. ISBN: 981-240-311-6 Subjects--Topical Terms: 1. Differential equations. Dewey Class. No.: Circ. 515.35 Z65f 2000