%0 Journal Article
%A T. P. Yakovleva
%T Development of a methodology for studying the concept of <>in the elementary course in mathematics
%J Vestnik KRAUNC. Fiziko-matematičeskie nauki
%D 2020
%P 179-204
%V 31
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VKAM_2020_31_2_a12/
%G ru
%F VKAM_2020_31_2_a12