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@article{DAN_1960_132_3_a4, author = {V. I. Zubov}, title = {Ergodic classes of recurrent motions}, journal = {Doklady Akademii Nauk}, pages = {507--509}, publisher = {mathdoc}, volume = {132}, number = {3}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1960_132_3_a4/} }
V. I. Zubov. Ergodic classes of recurrent motions. Doklady Akademii Nauk, Tome 132 (1960) no. 3, pp. 507-509. http://geodesic.mathdoc.fr/item/DAN_1960_132_3_a4/