@article{VMUMM_2019_6_a0,
     author = {B. B. Bednov},
     title = {The set of geometric medians for four-element subsets in {Lindenstrauss} spaces},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {3--8},
     publisher = {mathdoc},
     number = {6},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2019_6_a0/}
}