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@article{DAN_1968_179_5_a8, author = {S. L. Krushkal'}, title = {A certain class of extremal quasiconformal mappings}, journal = {Doklady Akademii Nauk}, pages = {1042--1045}, publisher = {mathdoc}, volume = {179}, number = {5}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_179_5_a8/} }
S. L. Krushkal'. A certain class of extremal quasiconformal mappings. Doklady Akademii Nauk, Tome 179 (1968) no. 5, pp. 1042-1045. http://geodesic.mathdoc.fr/item/DAN_1968_179_5_a8/