@article{variancereducedheterogeneousfederated,
  title = {Variance-Reduced Heterogeneous Federated Learning via Stratified Client Selection},
  author = {Guangyuan Shen and Dehong Gao and Libin Yang and Fang Zhou and Duanxiao Song and Wei Lou and Shirui Pan},
  year = {2022},
  eprint = {2201.05762},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2201.05762v2},
}