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@article{DAN_1983_273_6_a4, author = {A. I. Ibragimov}, title = {On the solvability of a mixed problem for second-order elliptic}, journal = {Doklady Akademii Nauk}, pages = {1305--1307}, publisher = {mathdoc}, volume = {273}, number = {6}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1983_273_6_a4/} }
A. I. Ibragimov. On the solvability of a mixed problem for second-order elliptic. Doklady Akademii Nauk, Tome 273 (1983) no. 6, pp. 1305-1307. http://geodesic.mathdoc.fr/item/DAN_1983_273_6_a4/