TY - JOUR AU - V. V. Dyakin AU - V. Ya. Raevskii TI - Properties of the operators of classical potential theory JO - Matematičeskie zametki PY - 1989 SP - 138 EP - 140 VL - 45 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1989_45_2_a18/ LA - ru ID - MZM_1989_45_2_a18 ER -