Differential equations : Edouard Goursat. Print A course in mathematical analysis Vol. - II, Pt. - 2 / Partielle Differentialgleichungen der Physik. English. Goursat, Edouard. 10627 Differential equations, Partial. Mathematical physics. 820 QA3 .P8 vol. 1 517.38 GOD Includes Index. New York : Dover, c1971. c1971. 1917 Text viii, 300 p. : ng engger 1 10628 10629