Agarwal, Ravi P. An introduction to ordinary differential equations [electronic resource] / by Ravi P. Agarwal, Donal O'Regan. - New York, NY : Springer-Verlag New York, 2008. - xii, 321 p. : ill., digital ; 24 cm. - Universitext . ISBN: 9780387712765 (electronic bk.) 9780387712758 (paper) Subjects--Topical Terms: Differential equations.Partial Differential Equations.Mathematics.Ordinary Differential Equations.Appl.Mathematics/Computational Methods of Engineering. LC Class. No.: QA372 / .A353 2008 Dewey Class. No.: 515.352