%0 Journal Article %A L. G. Labsker %T Test closures of sets in a Banach space for linear functionals %J Doklady Akademii Nauk %D 1996 %P 161-163 %V 351 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1996_351_2_a3/ %G ru %F DAN_1996_351_2_a3