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@article{DAN_1975_223_6_a6, author = {A. A. Novruzov}, title = {On the regularity of boundary points for degenerate elliptic equations of second order}, journal = {Doklady Akademii Nauk}, pages = {1311--1313}, publisher = {mathdoc}, volume = {223}, number = {6}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_223_6_a6/} }
A. A. Novruzov. On the regularity of boundary points for degenerate elliptic equations of second order. Doklady Akademii Nauk, Tome 223 (1975) no. 6, pp. 1311-1313. http://geodesic.mathdoc.fr/item/DAN_1975_223_6_a6/