%0 Journal Article
%A R. R. Akopyan
%A M. S. Saidusajnov
%T Three extremal problems in the Hardy and Bergman spaces of functions analytic in a disk
%J Trudy Instituta matematiki i mehaniki
%D 2017
%P 22-32
%V 23
%N 3
%U http://geodesic.mathdoc.fr/item/TIMM_2017_23_3_a1/
%G ru
%F TIMM_2017_23_3_a1