TY - JOUR AU - Yu. A. Dubinskii TI - A certain class of differential operator equations of higher order JO - Doklady Akademii Nauk PY - 1969 SP - 982 EP - 985 VL - 187 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_187_5_a4/ LA - ru ID - DAN_1969_187_5_a4 ER -