%0 Journal Article
%A V. B. Drozdov
%T Triangle and biquadratic equation
%J Matematičeskoe obrazovanie
%D 2019
%P 2-6
%N 3
%U http://geodesic.mathdoc.fr/item/MO_2019_3_a0/
%G ru
%F MO_2019_3_a0