TY - JOUR AU - Yu. T. Antokhin TI - Incorrect problems in Hilbert space and stable methods of solving them JO - Differencialʹnye uravneniâ PY - 1967 SP - 1135 EP - 1156 VL - 3 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1967_3_7_a12/ LA - ru ID - DE_1967_3_7_a12 ER -