Differential equations and their applications / M. Braun. Braun, Martin, 1941- Differential equations. QA1 .A647 vol. 15 QA371 517.38 515/.35 BRD Includes index. New York : Springer-Verlag, c1975. c1975. 1975 Text Various pages : eng Applied mathematical sciences ; v. 15 Applied mathematical sciences (Springer-Verlag New York Inc.) ; v. 15.