@article{VMUMM_2018_6_a5,
     author = {D. P. Klibus},
     title = {Convexity of a ball in the {Gromov--Hausdorff} space},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {41--45},
     publisher = {mathdoc},
     number = {6},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2018_6_a5/}
}