Jordan, D. W. Nonlinear ordinary differential equations ; an introduction for scientists and engineers / D.W. Jordan and P. Smith. - 4th - New York : Oxford University Press, 2007. - viii, 531p. :ill. ; Pbk. ISBN: 9780199208258 Subjects--Topical Terms: Differential equations, Nonlinear. LC Class. No.: QA372.J6 2007 Dewey Class. No.: 515/.352