%0 Journal Article %A M. Morozkina %A V. V. Tsukerman %T Measuring of line segments, coordinate %J Matematičeskoe obrazovanie %D 2014 %P 36-55 %V 70 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2014_70_2_a3/ %G ru %F MO_2014_70_2_a3