@article{MO_2014_72_4_a3,
     author = {A. Yu. Evnin},
     title = {Chromatic polynomial of a graph in problems},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {9--15},
     publisher = {mathdoc},
     volume = {72},
     number = {4},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2014_72_4_a3/}
}