%0 Journal Article %A Natalia P. Volchkova %A Vitaliy V. Volchkov %T On one Zalcman problem for the mean value operator %J Ural mathematical journal %D 2023 %P 187-200 %V 9 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UMJ_2023_9_1_a16/ %G en %F UMJ_2023_9_1_a16