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@article{DAN_1969_187_4_a8, author = {I. N. Pesin}, title = {Mappings which are quasiconformal in the mean}, journal = {Doklady Akademii Nauk}, pages = {740--742}, publisher = {mathdoc}, volume = {187}, number = {4}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1969_187_4_a8/} }
I. N. Pesin. Mappings which are quasiconformal in the mean. Doklady Akademii Nauk, Tome 187 (1969) no. 4, pp. 740-742. http://geodesic.mathdoc.fr/item/DAN_1969_187_4_a8/