%0 Journal Article %A D. V. Shurkaeva %T Distortion of the triangle isoperimetricity coefficient under quasiconformal mapping %J Matematičeskaâ fizika i kompʹûternoe modelirovanie %D 2020 %P 22-31 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VVGUM_2020_23_1_a2/ %G ru %F VVGUM_2020_23_1_a2