Goursat Edouard Differential equations Goursat Edouard; Hedrick Earle Raymond; Dunkel Otto - 1917 - p. cm. - Course in Mathematical Analysis . Standard No.: 61650 Source: Textual Subjects--Topical Terms: Differenctial equationsMathematics Dewey Class. No.: B3, D41.1-1;D41.2-2