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@article{DAN_1966_168_5_a9, author = {V. I. Oseledets}, title = {The spectrum of ergodic automorphisms}, journal = {Doklady Akademii Nauk}, pages = {1009--1011}, publisher = {mathdoc}, volume = {168}, number = {5}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_168_5_a9/} }
V. I. Oseledets. The spectrum of ergodic automorphisms. Doklady Akademii Nauk, Tome 168 (1966) no. 5, pp. 1009-1011. http://geodesic.mathdoc.fr/item/DAN_1966_168_5_a9/