@article{ljs14001,
 author={Allaoua Gasbaoui, B. a. B.},
 year={2009},
 title={Ant Colony Optimization Applied on Combinatorial Problem for Optimal Power Flow Solution},
 journal={Leonardo J. Sci.},
 volume={8},
 number={14},
 pages={1-17},
 url={http://ljs.academicdirect.org/A14/001_017.pdf}
}