@inproceedings{grathwohl2021oops,
  title={Oops {I} Took A Gradient: Scalable Sampling for Discrete Distributions},
  author={Grathwohl, Will and Swersky, Kevin and Hashemi, Milad and Duvenaud, David and Maddison, Chris J},
  booktitle={International Conference on Machine Learning},
  year={2021}
}