TY - JOUR AU - I. I. Ibragimov TI - A bound for the norm of a linear operator in the class of entire functions of finite degree JO - Doklady Akademii Nauk PY - 1963 SP - 1054 EP - 1057 VL - 152 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_152_5_a9/ LA - ru ID - DAN_1963_152_5_a9 ER -