%0 Journal Article %A G. Ts. Tumarkin %T Influence of deformation of the boundary on certain conformal properties or regions (regions in V.\,I.~Smirnov's Class~$S$) %J Matematičeskie zametki %D 1970 %P 351-359 %V 8 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1970_8_3_a7/ %G ru %F MZM_1970_8_3_a7