Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1975_221_3_a10, author = {R. A. Eiyubov}, title = {On a boundary-value problem for an elliptic equation with a small parameter}, journal = {Doklady Akademii Nauk}, pages = {551--554}, publisher = {mathdoc}, volume = {221}, number = {3}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_3_a10/} }
R. A. Eiyubov. On a boundary-value problem for an elliptic equation with a small parameter. Doklady Akademii Nauk, Tome 221 (1975) no. 3, pp. 551-554. http://geodesic.mathdoc.fr/item/DAN_1975_221_3_a10/