@article{05900714,
title = {On the absolute sum of chromatic polynomial coefficient of graphs.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {2011},
year = {2011},
doi = {10.1155/2011/271987},
zbl = {1213.05070},
language = {en},
url = {http://dml.mathdoc.fr/item/05900714}
}
Chen, Shubo. On the absolute sum of chromatic polynomial coefficient of graphs.. International Journal of Mathematics and Mathematical Sciences, Tome 2011 (2011) . doi : 10.1155/2011/271987. http://gdmltest.u-ga.fr/item/05900714/