@article{1183534467, author = {Albertson, Michael O. and Wilf, Herbert S.}, title = {Boundary values in chromatic graph theory}, journal = {Bull. Amer. Math. Soc.}, volume = {79}, number = {5}, year = {1973}, language = {en}, url = {http://dml.mathdoc.fr/item/1183534467} }
Albertson, Michael O.; Wilf, Herbert S. Boundary values in chromatic graph theory. Bull. Amer. Math. Soc., Tome 79 (1973) no. 5, . http://gdmltest.u-ga.fr/item/1183534467/