Brauer, Fred. Ordinary differential equations: a first course [by] Fred Brauer [and] John A. Nohel. - 2d ed. - Menlo Park, Calif., W. A. Benjamin [c1973] - University mathematics series . Bibliography: p. 449. ISBN: 0805312080 LCCN: 72009313 Subjects--Topical Terms: Differential equations. LC Class. No.: QA372 / .B8 1973 Dewey Class. No.: 515/.352