@article{proximalpolicyoptimizationviaenhanced,
  title = {Proximal Policy Optimization via Enhanced Exploration Efficiency},
  author = {Junwei Zhang and Zhenghao Zhang and Shuai Han and Shuai Lü},
  year = {2020},
  eprint = {2011.05525},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2011.05525v1},
}