@inbook{PetBag17,
  title = {Policy Gradient Methods},
  booktitle = {Encyclopedia of Machine Learning and Data Mining},
  pages = {982--985},
  edition = {2nd},
  editors = {Sammut, Claude and Webb, Geoffrey I.},
  publisher = {Springer US},
  year = {2017},
  author = {Peters, J. and Bagnell, J.A.},
  url = {https://link.springer.com/referenceworkentry/10.1007/978-1-4899-7687-1_646}
}