@article{MZM_1988_43_1_a15,
     author = {V. D. Chepoi},
     title = {Centers of triangulated graphs},
     journal = {Matemati\v{c}eskie zametki},
     pages = {143--151},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1988_43_1_a15/}
}