@article{AA_2017_29_5_a2,
     author = {A. Ya. Kanel-Belov and V. A. Voronov and D. D. Cherkashin},
     title = {On the chromatic number of infinitesimal plane layer},
     journal = {Algebra i analiz},
     pages = {68--89},
     publisher = {mathdoc},
     volume = {29},
     number = {5},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2017_29_5_a2/}
}