%0 Journal Article %A G. I. Kresin %A V. G. Maz'ya %T On the essential norm of an operator of double layer potential type in the space $\mathbb{C}_m$ %J Doklady Akademii Nauk %D 1979 %P 272-275 %V 246 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_246_2_a2/ %G ru %F DAN_1979_246_2_a2