TY - JOUR AU - V. M. Šurenkov TI - Random walks on a~halfaxis. I.~Boundary problems and ergodic theorem JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1981 SP - 45 EP - 58 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1981_26_1_a3/ LA - ru ID - TVP_1981_26_1_a3 ER -