%0 Journal Article
%A M. A. Tleubergenova
%T Equilateral triangle helps to solve a problem
%J Matematičeskoe obrazovanie
%D 2018
%P 33-37
%N 1
%U http://geodesic.mathdoc.fr/item/MO_2018_1_a3/
%G ru
%F MO_2018_1_a3