@article{MZM_2009_85_6_a14,
     author = {D. A. Shabanov},
     title = {On the {Chromatic} {Number} of {Finite} {Systems} of {Subsets}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {951--954},
     publisher = {mathdoc},
     volume = {85},
     number = {6},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2009_85_6_a14/}
}