TY - JOUR AU - O. A. Liskovets TI - The smoothing functional principle for regularizing equations with a closed operator JO - Doklady Akademii Nauk PY - 1978 SP - 757 EP - 760 VL - 241 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1978_241_4_a3/ LA - ru ID - DAN_1978_241_4_a3 ER -