TY - JOUR AU - S. S. Vallander TI - Occupation times for countable Markov chains.~IV. Chains on a general tree JO - Zapiski Nauchnykh Seminarov POMI PY - 1987 SP - 39 EP - 44 VL - 158 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1987_158_a3/ LA - ru ID - ZNSL_1987_158_a3 ER -