%0 Journal Article
%A V. M. Imaykin
%T On notions of length, square, and volume for high school

%J Matematičeskoe obrazovanie
%D 2014
%P 16-28
%V 72
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MO_2014_72_4_a4/
%G ru
%F MO_2014_72_4_a4