%0 Journal Article %A Yu. A. Belov %A V. S. Kas'yanyuk %T On the set of values of a system of linear functionals according %J Doklady Akademii Nauk %D 1989 %P 14-17 %V 304 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_304_1_a1/ %G ru %F DAN_1989_304_1_a1