%0 Journal Article %A S. S. Vallander %T Occupation times for countable Markov chains~III. Chains on a~tree with one branching point %J Zapiski Nauchnykh Seminarov POMI %D 1985 %P 25-38 %V 142 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1985_142_a1/ %G ru %F ZNSL_1985_142_a1