TY - JOUR AU - T. A. Kuznetsova TI - Averaging principal for stochastic differential equations with lag JO - Matematičeskie zametki PY - 1980 SP - 621 EP - 626 VL - 27 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1980_27_4_a11/ LA - ru ID - MZM_1980_27_4_a11 ER -