%0 Journal Article %A V. I. Lotov %T On the asymptotics of distributions in problems with two boundaries for random walks defined on a Markov chain %J Matematičeskie trudy %D 1989 %P 116-136 %V 13 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_1989_13_a6/ %G ru %F MT_1989_13_a6