@article{VMUMM_1997_3_a9,
     author = {V. V. Ten},
     title = {Analytic invariants of dynamical systems with positive entropy},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {40--43},
     year = {1997},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1997_3_a9/}
}