Occupation times for countable Markov chains. III: Chains on a tree with one branching point
Translation from Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 142, 25-38 (Russian) (1985; Zbl 0576.60066). For Part II see ibid. 130, 56-64 (1983; Zbl 0539.60062); English translation in J. Sov. Math. 27, 3203-3208 (1984).
scientific article; zbMATH DE number 3990539