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@article{DAN_1971_200_4_a0, author = {P. P. Belinskii}, title = {On the order of approximation of quasi-conformal maps in space to conformal maps}, journal = {Doklady Akademii Nauk}, pages = {759--761}, publisher = {mathdoc}, volume = {200}, number = {4}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_200_4_a0/} }
P. P. Belinskii. On the order of approximation of quasi-conformal maps in space to conformal maps. Doklady Akademii Nauk, Tome 200 (1971) no. 4, pp. 759-761. http://geodesic.mathdoc.fr/item/DAN_1971_200_4_a0/