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@article{IVM_1992_3_a2, author = {E. A. Kalita}, title = {Limit smoothness of solutions of second-order elliptic systems}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {10--17}, publisher = {mathdoc}, number = {3}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1992_3_a2/} }
E. A. Kalita. Limit smoothness of solutions of second-order elliptic systems. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1992), pp. 10-17. http://geodesic.mathdoc.fr/item/IVM_1992_3_a2/