TY - JOUR AU - O. A. Liskovets TI - Regularization of equations with a closed operator JO - Differencialʹnye uravneniâ PY - 1972 SP - 1698 EP - 1700 VL - 8 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1972_8_9_a21/ LA - ru ID - DE_1972_8_9_a21 ER -