@article{optimalvariancereducedstochastic,
  title = {Optimal variance-reduced stochastic approximation in Banach spaces},
  author = {Wenlong Mou and Koulik Khamaru and Martin J. Wainwright and Peter L. Bartlett and Michael I. Jordan},
  year = {2022},
  eprint = {2201.08518},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2201.08518v2},
}