TY - JOUR AU - Yu. A. Bykadorov TI - Normal solvability of integro-differential operators JO - Differencialʹnye uravneniâ PY - 1980 SP - 1122 EP - 1125 VL - 16 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1980_16_6_a14/ LA - ru ID - DE_1980_16_6_a14 ER -