%0 Journal Article %A N. S. Astapov %T Theorem on Vector Basis in Geometric Problems %J Matematičeskoe obrazovanie %D 2010 %P 6-11 %V 53 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2010_53_1_a1/ %G ru %F MO_2010_53_1_a1