@article{TMF_1973_17_2_a14,
     author = {V. I. Klyatskin and V. I. Tatarskii},
     title = {Statistical averages in dynamical systems},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {273--282},
     year = {1973},
     volume = {17},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1973_17_2_a14/}
}