Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1964_156_1_a5, author = {A. Nar\v{c}aev}, title = {The first boundary-value problem for elliptic equations which degenerate at the boundary}, journal = {Doklady Akademii Nauk}, pages = {28--31}, publisher = {mathdoc}, volume = {156}, number = {1}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_156_1_a5/} }
A. Narčaev. The first boundary-value problem for elliptic equations which degenerate at the boundary. Doklady Akademii Nauk, Tome 156 (1964) no. 1, pp. 28-31. http://geodesic.mathdoc.fr/item/DAN_1964_156_1_a5/