@article{LJM_2000_7_a3,
     author = {E. N. Sosov},
     title = {On existence and uniqueness of {Chebyshev} center of bounded set in a~special geodesic space},
     journal = {Lobachevskii journal of mathematics},
     pages = {43--45},
     publisher = {mathdoc},
     volume = {7},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/LJM_2000_7_a3/}
}