%0 Journal Article %A Z. N. Ovsyannikov %T The Steiner subratio of five points on a~plane and four points in three-dimensional space %J Fundamentalʹnaâ i prikladnaâ matematika %D 2013 %P 167-179 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2013_18_2_a13/ %G ru %F FPM_2013_18_2_a13