@article{hansen2003ecj,
  title={Reducing the time complexity of the derandomized evolution strategy with covariance matrix adaptation ({CMA-ES}).},
  author={Hansen, N. and Muller, S.D. and Koumoutsakos, P.},
  journal={Evolutionary Computation},
  volume={11},
  number={1},
  pages={1--18},
  year={2003},
  publisher={MIT Press}
}