@article{03715601, title = {A result on co-chromatic graphs.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {4}, year = {1981}, pages = {365-369}, doi = {10.1155/S0161171281000227}, zbl = {0457.05031}, language = {en}, url = {http://dml.mathdoc.fr/item/03715601} }
Farrell, E.J. A result on co-chromatic graphs.. International Journal of Mathematics and Mathematical Sciences, Tome 4 (1981) pp. 365-369. doi : 10.1155/S0161171281000227. http://gdmltest.u-ga.fr/item/03715601/