TY - JOUR AU - A. B. Vasil'eva AU - V. T. Volkov TI - Asymptotic approximation of a periodic solution of the second boundary-value problem for systems with small diffusion JO - Matematičeskie zametki PY - 1991 SP - 32 EP - 36 VL - 49 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1991_49_5_a4/ LA - ru ID - MZM_1991_49_5_a4 ER -