Goursat, Edouard Differential equations / Edouard Goursat, tr. Earle Raymond Hedrick, Otto Dunkel - 1a ed. - New York : Dover publications, 1945 - viii, 300 p. : íl. ; 20 cm. - A course in mathematical analysis V.II . Incluye índice Subjects--Topical Terms: Ecuaciones diferenciales LC Class. No.: QA371 / G68 1945