%0 Journal Article %A V. I. Tsurkov %T A decomposition principle for block-separable systems %J Doklady Akademii Nauk %D 1979 %P 27-31 %V 246 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_246_1_a4/ %G ru %F DAN_1979_246_1_a4