TY - JOUR AU - O. V. Akopyan AU - R. R. Akopyan TI - Optimal Recovery on Classes of Functions Analytic in an Annulus JO - Trudy Instituta matematiki i mehaniki PY - 2023 SP - 7 EP - 23 VL - 29 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2023_29_1_a0/ LA - ru ID - TIMM_2023_29_1_a0 ER -