O'Malley, Robert E. Thinking about ordinary differential equations / Robert E. O'Malley, Jr. - 1a ed. - Cambridge, UK ; New York : Cambridge University Press, 1997. - x, 247 p. : il. ; 23 cm. - (Cambridge texts in applied mathematics) . Incluye referencias e índice ISBN: 0521553148 0521557429 Subjects--Topical Terms: Ecuaciones diferenciales. LC Class. No.: QA372 / O43 1997