Arnold, V. I. Geometrical methods in the theory of ordinary differential equations / V. I. Arnold - Second Edition - Berlin : Springer, 1988 - xii, 351 pages : Illustrations Includes index ISBN: 3540780386 Subjects--Topical Terms: Differential equations LC Class. No.: QA 372 / ARN 1988 Dewey Class. No.: / 33729004981044