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@article{IVM_1986_10_a10, author = {B. E. Levitsiǐ}, title = {A covering theorem for mean quasiconformal mappings}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {85--87}, publisher = {mathdoc}, number = {10}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1986_10_a10/} }
B. E. Levitsiǐ. A covering theorem for mean quasiconformal mappings. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 10 (1986), pp. 85-87. http://geodesic.mathdoc.fr/item/IVM_1986_10_a10/