%0 Journal Article %A V. M. Imaykin %T Acitivity-based Elementsof Education: Examples from Mathematics %J Matematičeskoe obrazovanie %D 2004 %P 64-74 %V 31 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2004_31_4_a3/ %G ru %F MO_2004_31_4_a3