%0 Journal Article %A G. A. Kalyabin %T Two-sided estimates and exact values of some capacities %J Doklady Akademii Nauk %D 1993 %P 672-673 %V 331 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1993_331_6_a4/ %G ru %F DAN_1993_331_6_a4