@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/