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@article{DAN_1962_145_3_a10, author = {V. V. Krivov}, title = {On extremal quasiconformal mappings in space}, journal = {Doklady Akademii Nauk}, pages = {516--518}, publisher = {mathdoc}, volume = {145}, number = {3}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_145_3_a10/} }
V. V. Krivov. On extremal quasiconformal mappings in space. Doklady Akademii Nauk, Tome 145 (1962) no. 3, pp. 516-518. http://geodesic.mathdoc.fr/item/DAN_1962_145_3_a10/