@article{02168707, title = {The chromatic sum of a graph: history and recent developments.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2004}, year = {2004}, pages = {1563-1573}, doi = {10.1155/S0161171204306216}, zbl = {1064.05062}, language = {en}, url = {http://dml.mathdoc.fr/item/02168707} }
Kubicka, Ewa. The chromatic sum of a graph: history and recent developments.. International Journal of Mathematics and Mathematical Sciences, Tome 2004 (2004) pp. 1563-1573. doi : 10.1155/S0161171204306216. http://gdmltest.u-ga.fr/item/02168707/