@article {ekim2005split,
	title = {On split-coloring problems},
	journal = {Journal of Combinatorial Optimization},
	volume = {10},
	number = {3},
	year = {2005},
	pages = {211{\textendash}225},
	publisher = {Kluwer Academic Publishers},
	author = {Ekim, Tinaz and de Werra, Dominique}
}
