@article{CMFD_2007_23_a8,
     author = {A. M. Raigorodskii},
     title = {Chromatic {Numbers} of {Metric} {Spaces}},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {165--168},
     publisher = {mathdoc},
     volume = {23},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2007_23_a8/}
}