%0 Journal Article %A V. S. Korolyuk %A V. M. Shurenkov %T The potential method in boundary problems for random walks on a Markov chain %J Doklady Akademii Nauk %D 1976 %P 1056-1058 %V 231 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_231_5_a6/ %G ru %F DAN_1976_231_5_a6