Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1961_141_2_a7, author = {A. S. Dynin}, title = {$n$-dimensional elliptic boundary value problems with a single unknown function}, journal = {Doklady Akademii Nauk}, pages = {285--287}, publisher = {mathdoc}, volume = {141}, number = {2}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_2_a7/} }
A. S. Dynin. $n$-dimensional elliptic boundary value problems with a single unknown function. Doklady Akademii Nauk, Tome 141 (1961) no. 2, pp. 285-287. http://geodesic.mathdoc.fr/item/DAN_1961_141_2_a7/