@article{constructingunbiasedgradientestimators,
  title = {Constructing unbiased gradient estimators with finite variance for conditional stochastic optimization},
  author = {Takashi Goda and Wataru Kitade},
  year = {2022},
  eprint = {2206.01991},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2206.01991v3},
}