%0 Journal Article %A D. S. Sil'vestrov %T The invariance principle for accumulation processes with semi-Markov switchings in a scheme of arrays %J Teoriâ veroâtnostej i ee primeneniâ %D 1991 %P 505-520 %V 36 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1991_36_3_a6/ %G ru %F TVP_1991_36_3_a6