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@article{DAN_1983_272_2_a9, author = {A. I. Koshelev and S. I. Chelkak}, title = {Regularity of solutions of elliptic systems of higher orders}, journal = {Doklady Akademii Nauk}, pages = {297--300}, publisher = {mathdoc}, volume = {272}, number = {2}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1983_272_2_a9/} }
A. I. Koshelev; S. I. Chelkak. Regularity of solutions of elliptic systems of higher orders. Doklady Akademii Nauk, Tome 272 (1983) no. 2, pp. 297-300. http://geodesic.mathdoc.fr/item/DAN_1983_272_2_a9/