@article{deterministicpolicyoptimizationby,
  title = {Deterministic Policy Optimization by Combining Pathwise and Score Function Estimators for Discrete Action Spaces},
  author = {Daniel Levy and Stefano Ermon},
  year = {2017},
  eprint = {1711.08068},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1711.08068v1},
}