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@article{DAN_1976_228_4_a5, author = {A. I. Koshelev}, title = {On the smoothness of the solutions of quasi-linear elliptic systems of second order}, journal = {Doklady Akademii Nauk}, pages = {787--789}, publisher = {mathdoc}, volume = {228}, number = {4}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_228_4_a5/} }
A. I. Koshelev. On the smoothness of the solutions of quasi-linear elliptic systems of second order. Doklady Akademii Nauk, Tome 228 (1976) no. 4, pp. 787-789. http://geodesic.mathdoc.fr/item/DAN_1976_228_4_a5/