Perko, Lawrence. Differential equations and dynamical systems / Lawrence Perko. - 3rd ed. - New York : Springer, c2001. - xiv, 553 p. : ill. ; 25 cm. - Texts in applied mathematics ; 7 . Includes bibliographical references (p. [539]-545 and index. ISBN: 9780387951164 LCCN: 00058305 Subjects--Topical Terms: Differential equations, Nonlinear.Differentiable dynamical systems. LC Class. No.: QA372 / .P47 2001 Dewey Class. No.: 515/.353