Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1975_11_3_a8, author = {L. A. Bagirov and V. A. Kondrat'ev}, title = {Elliptic equations in $R^n$}, journal = {Differencialʹnye uravneni\^a}, pages = {498--504}, publisher = {mathdoc}, volume = {11}, number = {3}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1975_11_3_a8/} }
L. A. Bagirov; V. A. Kondrat'ev. Elliptic equations in $R^n$. Differencialʹnye uravneniâ, Tome 11 (1975) no. 3, pp. 498-504. http://geodesic.mathdoc.fr/item/DE_1975_11_3_a8/