TY - JOUR AU - V. I. Lotov TI - Properties of factorization operators in boundary crossing problems for random walks JO - Izvestiya. Mathematics PY - 2019 SP - 1050 EP - 1065 VL - 83 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2019_83_5_a5/ LA - en ID - IM2_2019_83_5_a5 ER -