Conrad, Bruce P. Differential equations a systems approach / [Book] : Bruce P. Conrad. - 1st ed. - Upper Saddle River, NJ : Prentice Hall, c2003. - 1 v. (various pagings) : ill. ; 25 cm. All. ISBN: 0130460265 Subjects--Topical Terms: Differential equations. Dewey Class. No.: 515 .35