%0 Journal Article %A I. I. Ibragimov %T A bound for the norm of a linear operator in the class of entire functions of finite degree %J Doklady Akademii Nauk %D 1963 %P 1054-1057 %V 152 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_152_5_a9/ %G ru %F DAN_1963_152_5_a9