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@article{DAN_1962_146_5_a3, author = {A. Dzhuraev}, title = {The {Poincar\'e} problem for a second-order elliptic equation with singular coefficients}, journal = {Doklady Akademii Nauk}, pages = {995--998}, publisher = {mathdoc}, volume = {146}, number = {5}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_146_5_a3/} }
A. Dzhuraev. The Poincar\'e problem for a second-order elliptic equation with singular coefficients. Doklady Akademii Nauk, Tome 146 (1962) no. 5, pp. 995-998. http://geodesic.mathdoc.fr/item/DAN_1962_146_5_a3/