TY - JOUR AU - N. Yu. Bakaev TI - A class of operator equations JO - Differencialʹnye uravneniâ PY - 1983 SP - 516 EP - 518 VL - 19 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_3_a15/ LA - ru ID - DE_1983_19_3_a15 ER -