Brauer, Fred The qualitative theory of ordinary differential equations : an introduction / Fred Brauer and John A. Nohel - New York : W. A. Benjamin, 1969 - xi, 314 p. : fig. ; 23 cm. - University mathematics series . Includes index Bibliography: p. 302-303 ISBN: USD 14.95 Subjects--Topical Terms: Differential equationsStability Dewey Class. No.: 517.382