@article{10_26493_1855_3974_176_704,
     author = {Xuding Zhu},
     title = {
		{Graphs} with chromatic numbers strictly less than their colouring numbers
	},
     journal = {Ars mathematica contemporanea},
     pages = {25--27},
     year = {2011},
     volume = {4},
     number = {1},
     doi = {10.26493/1855-3974.176.704},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.176.704/}
}