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@article{FAA_1967_1_4_a4, author = {A. B. Katok}, title = {Spectral properties of dynamical systems with an integral invariant on the torus}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {46--56}, publisher = {mathdoc}, volume = {1}, number = {4}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1967_1_4_a4/} }
A. B. Katok. Spectral properties of dynamical systems with an integral invariant on the torus. Funkcionalʹnyj analiz i ego priloženiâ, Tome 1 (1967) no. 4, pp. 46-56. http://geodesic.mathdoc.fr/item/FAA_1967_1_4_a4/