%0 Journal Article
%A V. N. Novikov
%T On inequalities in a tetrahedron, finished
%J Matematičeskoe obrazovanie
%D 2021
%P 58-69
%N 3
%U http://geodesic.mathdoc.fr/item/MO_2021_3_a6/
%G ru
%F MO_2021_3_a6