@article{DAN_1987_295_2_a9,
     author = {E. S. Usachev},
     title = {Mathematical theory of adaptation and the uniform ergodic theorem},
     journal = {Doklady Akademii Nauk},
     pages = {303--307},
     publisher = {mathdoc},
     volume = {295},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_295_2_a9/}
}