@article{01566949,
title = {On existence and uniqueness of Chebyshev center of bounded set in a special geodesic space.},
journal = {Lobachevskii Journal of Mathematics},
volume = {7},
year = {2000},
pages = {43-45},
zbl = {0962.54026},
language = {en},
url = {http://dml.mathdoc.fr/item/01566949}
}
Sosov, E.N. On existence and uniqueness of Chebyshev center of bounded set in a special geodesic space.. Lobachevskii Journal of Mathematics, Tome 7 (2000) pp. 43-45. http://gdmltest.u-ga.fr/item/01566949/