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@article{DAN_1960_132_5_a19, author = {B. V. Shabat}, title = {On the theory of quasiconformal mappings in space}, journal = {Doklady Akademii Nauk}, pages = {1045--1048}, publisher = {mathdoc}, volume = {132}, number = {5}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1960_132_5_a19/} }
B. V. Shabat. On the theory of quasiconformal mappings in space. Doklady Akademii Nauk, Tome 132 (1960) no. 5, pp. 1045-1048. http://geodesic.mathdoc.fr/item/DAN_1960_132_5_a19/