Goursat, E. (1964). Variation of solutions: Partial differential equations of the second order.
Chicago Style citaatGoursat, Edouard. Variation of Solutions: Partial Differential Equations of the Second Order. Dover Publcations, New York, 1964.
MLA citatieGoursat, Edouard. Variation of Solutions: Partial Differential Equations of the Second Order. 1964.
Let op: Deze citaties zijn niet altijd 100% accuraat.