@article{offpolicypolicygradientalgorithmsby,
  title = {Off-Policy Policy Gradient Algorithms by Constraining the State Distribution Shift},
  author = {Riashat Islam and Komal K. Teru and Deepak Sharma and Joelle Pineau},
  year = {2019},
  eprint = {1911.06970},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1911.06970v2},
}