TY - JOUR AU - Yu. F. Korobeinik TI - Some applications of the theory of normally solvable operators to JO - Sbornik. Mathematics PY - 1967 SP - 1 EP - 29 VL - 1 IS - 1 UR - http://geodesic.mathdoc.fr/item/SM_1967_1_1_a0/ LA - en ID - SM_1967_1_1_a0 ER -