@article{GDZPPN002025205, title = {Das Goursat-Problem f\"ur uxy = f(x, y, u) (Short Communication)}, journal = {Aequationes mathematicae}, volume = {7}, year = {1971}, pages = {117-118}, url = {http://dml.mathdoc.fr/item/GDZPPN002025205} }
DEIMLING, KLAUS. Das Goursat-Problem für uxy = f(x, y, u) (Short Communication). Aequationes mathematicae, Tome 7 (1971) pp. 117-118. http://gdmltest.u-ga.fr/item/GDZPPN002025205/