%0 Journal Article
%A A. Yu. Igumnov
%T On the preserving of the orientation of triangle by quasi-isometric mapping
%J Matematičeskaâ fizika i kompʹûternoe modelirovanie
%D 2021
%P 34-52
%V 24
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VVGUM_2021_24_4_a2/
%G ru
%F VVGUM_2021_24_4_a2