@INPROCEEDINGS{4424733,  author={Deb, Kalyanmoy and Tewari, Rahul and Dixit, Mayur and Dutta, Joydeep},  booktitle={2007 IEEE Congress on Evolutionary Computation},   title={Finding trade-off solutions close to KKT points using evolutionary multi-objective optimization},   year={2007},  volume={},  number={},  pages={2109-2116},  doi={10.1109/CEC.2007.4424733}}