%0 Journal Article %A S. V. Zharov %T Generalization of the concept of centroid in solving stereometric problems %J Matematičeskoe obrazovanie %D 2022 %P 26-27 %N 4 %U http://geodesic.mathdoc.fr/item/MO_2022_4_a3/ %G ru %F MO_2022_4_a3