TY - JOUR AU - I. I. Ibragimov AU - A. S. Dzhafarov TI - A bound for a differential operator in the class of entire functions of finite degree JO - Doklady Akademii Nauk PY - 1963 SP - 533 EP - 536 VL - 152 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_152_3_a6/ LA - ru ID - DAN_1963_152_3_a6 ER -