@article{MASLO_1980_30_2_a2, author = {Plesn{\'\i}k, J\'an}, title = {Coloring of graphs by partitioning}, journal = {Mathematica slovaca}, pages = {121--126}, year = {1980}, volume = {30}, number = {2}, mrnumber = {587236}, zbl = {0438.05029}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1980_30_2_a2/} }