@article{difficultyadjustableandscalable,
  title = {Difficulty Adjustable and Scalable Constrained Multi-objective Test Problem Toolkit},
  author = {Zhun Fan and Wenji Li and Xinye Cai and Hui Li and Caimin Wei and Qingfu Zhang and Kalyanmoy Deb and Erik D. Goodman},
  year = {2016},
  eprint = {1612.07603},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1612.07603v3},
}