TY - JOUR AU - Yu. F. Korobeinik TI - ``Hereditary'' properties of systems of operator equations JO - Differencialʹnye uravneniâ PY - 1990 SP - 1510 EP - 1521 VL - 26 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1990_26_9_a4/ LA - ru ID - DE_1990_26_9_a4 ER -