%0 Journal Article %A E. S. Usachev %T Mathematical theory of adaptation and the uniform ergodic theorem %J Doklady Akademii Nauk %D 1987 %P 303-307 %V 295 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_295_2_a9/ %G ru %F DAN_1987_295_2_a9