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@article{DAN_1958_121_2_a0, author = {P. P. Belinskii}, title = {The use of the variation method in solving extremum problems of quasiconformal mappings}, journal = {Doklady Akademii Nauk}, pages = {199--201}, publisher = {mathdoc}, volume = {121}, number = {2}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1958_121_2_a0/} }
P. P. Belinskii. The use of the variation method in solving extremum problems of quasiconformal mappings. Doklady Akademii Nauk, Tome 121 (1958) no. 2, pp. 199-201. http://geodesic.mathdoc.fr/item/DAN_1958_121_2_a0/