@InProceedings{FisterSSCI2011,<br />
 author= {I.~Fister and J.~Brest},<br />
 title={Using differential evolution for the graph coloring},<br />
 booktitle={IEEE SSCI2011 symposium series on computational intelligence : proceedings. Piscataway: IEEE}, <br />
 year={2011},<br />
 volume={??},<br />
 issue={??},<br />
 pages={150-156}}