TY - JOUR AU - V. I. Afanasyev TI - Two-boundary problem for a random walk in a random environment JO - Teoriâ veroâtnostej i ee primeneniâ PY - 2018 SP - 417 EP - 430 VL - 63 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_2018_63_3_a0/ LA - ru ID - TVP_2018_63_3_a0 ER -