@article{optimalvariancecontrolofthescore,
  title = {Optimal Variance Control of the Score Function Gradient Estimator for Importance Weighted Bounds},
  author = {Valentin Liévin and Andrea Dittadi and Anders Christensen and Ole Winther},
  year = {2020},
  eprint = {2008.01998},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2008.01998v2},
}