Zill, Dennis G. A first course in differential equations with modeling applications / Dennis G. Zill. - 7a ed. - Belmont, CA : Brooks/Cole, 2001 - xiii, 393 p. : ils. ; 29 cm. Incluye apéndice e índice ISBN: 0534379990 Subjects--Topical Terms: Ecuaciones diferenciales LC Class. No.: QA371 / Z55 2001