TY - JOUR AU - I. I. Ibragimov AU - V. N. Trakachev TI - On an extremal problem in the class of entire functions of finite degree JO - Doklady Akademii Nauk PY - 1973 SP - 768 EP - 770 VL - 208 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1973_208_4_a2/ LA - ru ID - DAN_1973_208_4_a2 ER -