TY - JOUR AU - A. A. Borovkov TI - Three types of conditions for convergence to diffusion processes JO - Doklady Akademii Nauk PY - 1969 SP - 974 EP - 977 VL - 187 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_187_5_a2/ LA - ru ID - DAN_1969_187_5_a2 ER -