@article{hindsighttrustregionpolicyoptimization,
  title = {Hindsight Trust Region Policy Optimization},
  author = {Hanbo Zhang and Site Bai and Xuguang Lan and David Hsu and Nanning Zheng},
  year = {2019},
  eprint = {1907.12439},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1907.12439v5},
}