@article{verticalfederatedlearningbasedondfpand,
  title = {Vertical federated learning based on DFP and BFGS},
  author = {Song WenJie and Shen Xuan},
  year = {2021},
  eprint = {2101.09428},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2101.09428v1},
}