@article{IZKAB_2010_5_a3,
     author = {A. A. Uzdenov and E. S. Bukka and R. A. Kochkarov},
     title = {Algorithm of search of the external center 
},
     journal = {News of the Kabardin-Balkar scientific center of RAS},
     pages = {31--36},
     publisher = {mathdoc},
     number = {5},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IZKAB_2010_5_a3/}
}