%0 Journal Article %A V. A. Dubko %T Diffusion approximation of the slow component of the solution of a system of stochastic differential equations %J Teoriâ veroâtnostej i ee primeneniâ %D 1990 %P 560-566 %V 35 %N 3 %U http://geodesic.mathdoc.fr/item/TVP_1990_35_3_a16/ %G ru %F TVP_1990_35_3_a16