%0 Journal Article %A Yu. A. Davydov %T The strong mixing property for Markov chains with a countable number of states %J Doklady Akademii Nauk %D 1969 %P 252-254 %V 187 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_187_2_a4/ %G ru %F DAN_1969_187_2_a4