%0 Journal Article %A R. R. Akopyan %T Approximation of the Hardy–Sobolev class of functions analytic in a half-plane by entire functions of exponential type %J Trudy Instituta matematiki i mehaniki %D 2010 %P 18-30 %V 16 %N 4 %U http://geodesic.mathdoc.fr/item/TIMM_2010_16_4_a1/ %G ru %F TIMM_2010_16_4_a1