Coppel, W. A. Stability and asymptotic behavior of differential equations / W.A. Coppel. - Boston : D. C. Heath and com., c1965 - viii, 166 p. : ill. ; 24 cm. - Heath mathematical monographs . - Heath mathematical monographs . Include index Subjects--Topical Terms: Differential equations--Asymptotic theory. Dewey Class. No.: 515.35 / COS 1965