@InProceedings{BrestSSCI2011,<br />
 author= {J.~Brest and  A.~Zamuda and I.~Fister and B.~Boskovic and M.~S.~Maucec},<br />
 title={Constrained real-parameter optimization using a differential evolution algorithm},<br />
 booktitle={IEEE SSCI2011 symposium series on computational intelligence}, <br />
 year={2011},<br />
 volume={??},<br />
 issue={??},<br />
 pages={9-16}}