TY - JOUR AU - A. Yu. Veretennikov TI - On the averaging principle for systems of stochastic differential equations JO - Sbornik. Mathematics PY - 1991 SP - 271 EP - 284 VL - 69 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1991_69_1_a15/ LA - en ID - SM_1991_69_1_a15 ER -