@article{MZM_2015_97_6_a12,
     author = {Yu. A. Zuev},
     title = {A {Graph} {Coloring} {Problem}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {942--944},
     publisher = {mathdoc},
     volume = {97},
     number = {6},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2015_97_6_a12/}
}