%0 Journal Article %A B. B. Bednov %T The set of geometric medians for four-element subsets in Lindenstrauss spaces %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2019 %P 3-8 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2019_6_a0/ %G ru %F VMUMM_2019_6_a0