%0 Journal Article %A V. N. Dubinin %T Boundary Distortion and the Schwarzian Derivative of a Univalent Function in a Circular Annulus %J Matematičeskie zametki %D 2023 %P 827-835 %V 113 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2023_113_6_a3/ %G ru %F MZM_2023_113_6_a3