TY - JOUR AU - G. I. Kresin AU - V. G. Maz'ya TI - On the essential norm of an operator of double layer potential type in the space $\mathbb{C}_m$ JO - Doklady Akademii Nauk PY - 1979 SP - 272 EP - 275 VL - 246 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1979_246_2_a2/ LA - ru ID - DAN_1979_246_2_a2 ER -