%0 Journal Article %A A. B. Vasil'eva %A V. T. Volkov %T Asymptotic approximation of a periodic solution of the second boundary-value problem for systems with small diffusion %J Matematičeskie zametki %D 1991 %P 32-36 %V 49 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1991_49_5_a4/ %G ru %F MZM_1991_49_5_a4