%0 Journal Article %A V. D. Koshmanenko %T Closure of extension of linear forms with passage to a new space %J Matematičeskie zametki %D 1981 %P 857-864 %V 30 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1981_30_6_a7/ %G ru %F MZM_1981_30_6_a7