Cronin, Jane, 1922- Differential equations : Introduction and qualitative theory / Jane Cronin. - New York : M. Dekker, 1980. - viii, 372 p. ; 24 cm. - Pure and Applied Mathematics 54 . Includes index. Bibliogr.: p. 363-368. ISBN: 0824768191 Subjects--Topical Terms: Differential equations Dewey Class. No.: 515.3/5