TY - JOUR AU - O. A. Liskovets TI - The norm of an element as a regularizing functional JO - Differencialʹnye uravneniâ PY - 1971 SP - 1531 EP - 1533 VL - 7 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1971_7_8_a21/ LA - ru ID - DE_1971_7_8_a21 ER -