TY - JOUR AU - A. A. Borovkov TI - Limit theorems for the time and place of the first crossing of the JO - Doklady Akademii Nauk PY - 1997 SP - 711 EP - 713 VL - 353 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1997_353_6_a0/ LA - ru ID - DAN_1997_353_6_a0 ER -