TY - JOUR AU - N. Yu. Kapustin TI - A new approach to studying boundary value problems with generalized $L_2$ solutions JO - Differencialʹnye uravneniâ PY - 1989 SP - 975 EP - 982 VL - 25 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1989_25_6_a8/ LA - ru ID - DE_1989_25_6_a8 ER -