@ARTICLE{6151114,  author={Saxena, Dhish Kumar and Duro, João A. and Tiwari, Ashutosh and Deb, Kalyanmoy and Zhang, Qingfu},  journal={IEEE Transactions on Evolutionary Computation},   title={Objective Reduction in Many-Objective Optimization: Linear and Nonlinear Algorithms},   year={2013},  volume={17},  number={1},  pages={77-99},  doi={10.1109/TEVC.2012.2185847}}