Cronin Jane, 1922- Differential equations : introduction and qualitative theory / Jane Cronin. - 2a ed. revised and expanded. - New York : Marcel Dekker Inc., 1994 - 370 p. : il. ; 23 cm. - Monographs and textbooks in pure and applied mathematics ; 180 . Incluye apéndice e índice Bibliografía : p. 357-364 ISBN: 0824791894 Subjects--Topical Terms: Ecuaciones diferenciales LC Class. No.: QA372 / C76 1994