@article{VMUMM_2015_3_a5,
     author = {B. B. Bednov},
     title = {The $n$-antiproximinal sets},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {29--34},
     year = {2015},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2015_3_a5/}
}