%0 Journal Article
%A A. N. Afanasyev
%T Simple geometric facts that help to solve geometric problems
%J Matematičeskoe obrazovanie
%D 2020
%P 2-17
%V 94
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MO_2020_94_2_a0/
%G ru
%F MO_2020_94_2_a0