Voir la notice de l'article provenant de la source Math-Net.Ru
@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/} }
A. Yu. Evnin. Chromatic polynomial of a graph in problems. Matematičeskoe obrazovanie, Tome 72 (2014) no. 4, pp. 9-15. http://geodesic.mathdoc.fr/item/MO_2014_72_4_a3/