%0 Journal Article
%A A. Ustilovskaya
%T Principles of Thinking and Activities Theory Applied to a School Course of Geometry
%J Matematičeskoe obrazovanie
%D 2006
%P 69-79
%V 36
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MO_2006_36_1_a4/
%G ru
%F MO_2006_36_1_a4