@article{multiblocksingleprobevariancereduced,
  title = {Multi-block-Single-probe Variance Reduced Estimator for Coupled Compositional Optimization},
  author = {Wei Jiang and Gang Li and Yibo Wang and Lijun Zhang and Tianbao Yang},
  year = {2022},
  eprint = {2207.08540},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2207.08540v4},
}