@article{SM_2008_199_4_a5,
     author = {A. M. Raigorodskii and I. M. Shitova},
     title = {Chromatic numbers of real and rational spaces with real or rational forbidden distances},
     journal = {Sbornik. Mathematics},
     pages = {579--612},
     publisher = {mathdoc},
     volume = {199},
     number = {4},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2008_199_4_a5/}
}