%0 Journal Article
%A A. Yu. Igumnov
%T On preserving the orientation of triangle under quasi-isometric mapping
%J Matematičeskaâ fizika i kompʹûternoe modelirovanie
%D 2018
%P 5-12
%V 21
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VVGUM_2018_21_2_a0/
%G ru
%F VVGUM_2018_21_2_a0