@article{JMLR:v21:19-060,
  author  = {Lucas Lehnert and Michael L. Littman},
  title   = {Successor Features Combine Elements of Model-Free and Model-based Reinforcement Learning},
  journal = {Journal of Machine Learning Research},
  year    = {2020},
  volume  = {21},
  number  = {196},
  pages   = {1--53},
  url     = {http://jmlr.org/papers/v21/19-060.html}
}