%0 Journal Article %A O. V. Akopyan %A R. R. Akopyan %T Optimal Recovery on Classes of Functions Analytic in an Annulus %J Trudy Instituta matematiki i mehaniki %D 2023 %P 7-23 %V 29 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2023_29_1_a0/ %G ru %F TIMM_2023_29_1_a0