@article{JRAM_1966__222_150727, author = {A.K. Aziz and R.P. Gilbert}, title = {A generalized {Goursat} problem for elliptic equations.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {1}, publisher = {mathdoc}, volume = {222}, year = {1966}, zbl = {0132.07503}, language = {un}, url = {https://geodesic-test.mathdoc.fr/item/JRAM_1966__222_150727/} }