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@article{DAN_1972_206_3_a10, author = {A. V. Sychev}, title = {On a quasi-conformal mapping of a sphere onto itself}, journal = {Doklady Akademii Nauk}, pages = {556--558}, publisher = {mathdoc}, volume = {206}, number = {3}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1972_206_3_a10/} }
A. V. Sychev. On a quasi-conformal mapping of a sphere onto itself. Doklady Akademii Nauk, Tome 206 (1972) no. 3, pp. 556-558. http://geodesic.mathdoc.fr/item/DAN_1972_206_3_a10/