TY - JOUR AU - M. U. Gafurov TI - On the first exit time of a multidimensional random walk from expanding sets JO - Doklady Akademii Nauk PY - 1980 SP - 1042 EP - 1044 VL - 254 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_254_5_a3/ LA - ru ID - DAN_1980_254_5_a3 ER -