TY - JOUR AU - Ya. A. Lyulko TI - On the distribution of time spent by Markov chain at different levels until achieving a fixed state JO - Teoriâ veroâtnostej i ee primeneniâ PY - 2011 SP - 167 EP - 176 VL - 56 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_2011_56_1_a10/ LA - ru ID - TVP_2011_56_1_a10 ER -