%0 Journal Article %A M. V. Tryamkin %T Modulus Estimates on Abstract Surfaces over a Domain of Revolution and a Cylindrical Ring %J Matematičeskie zametki %D 2020 %P 311-315 %V 108 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2020_108_2_a15/ %G ru %F MZM_2020_108_2_a15