Qian2021Derivative-Free.md

@article{Qian2021Derivative-Free,
  author    = {Hong Qian and
               Yang Yu},
  title     = {Derivative-Free Reinforcement Learning: {A} Review},
  journal   = {CoRR},
  volume    = {abs/2102.05710},
  year      = {2021},
  url       = {https://arxiv.org/abs/2102.05710},
  archivePrefix = {arXiv},
  eprint    = {2102.05710},
  timestamp = {Thu, 18 Feb 2021 15:26:00 +0100},
  biburl    = {https://dblp.org/rec/journals/corr/abs-2102-05710.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}