@article{JMLR:v21:18-012,
  author  = {Kamil Ciosek and Shimon Whiteson},
  title   = {Expected Policy Gradients for Reinforcement Learning},
  journal = {Journal of Machine Learning Research},
  year    = {2020},
  volume  = {21},
  number  = {52},
  pages   = {1--51},
  url     = {http://jmlr.org/papers/v21/18-012.html}
}