Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1967_177_4_a9, author = {R. S. Saks}, title = {A nonelliptic {Dirichlet} problem}, journal = {Doklady Akademii Nauk}, pages = {786--789}, publisher = {mathdoc}, volume = {177}, number = {4}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1967_177_4_a9/} }
R. S. Saks. A nonelliptic Dirichlet problem. Doklady Akademii Nauk, Tome 177 (1967) no. 4, pp. 786-789. http://geodesic.mathdoc.fr/item/DAN_1967_177_4_a9/