@ARTICLE{Gong2015TEVC,
  title = {A Multi-Operator Search Strategy based on Cheap Surrogate Models for Evolutionary Optimization},
  author = {Wenyin Gong and Aimin Zhou and Zhihua Cai},
  journal = {IEEE Transactions on Evolutionary Computation},
  year = {2015},
  note = {In press},
  pages = {1 - 13},
  publisher = {IEEE},
}