%0 Journal Article %A M. V. Tryamkin %T An Estimate of the Modulus of a Family of Curves on an Abstract Surface over a Cylinder %J Matematičeskie zametki %D 2020 %P 149-153 %V 107 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2020_107_1_a12/ %G ru %F MZM_2020_107_1_a12