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@article{DAN_1962_147_4_a13, author = {Ya. G. Sinai}, title = {A weak isomorphism of transformations with invariant measure}, journal = {Doklady Akademii Nauk}, pages = {797--800}, publisher = {mathdoc}, volume = {147}, number = {4}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_147_4_a13/} }
Ya. G. Sinai. A weak isomorphism of transformations with invariant measure. Doklady Akademii Nauk, Tome 147 (1962) no. 4, pp. 797-800. http://geodesic.mathdoc.fr/item/DAN_1962_147_4_a13/