@article{vdmdavirtualdomainmodelingforsource,
  title = {VDM-DA: Virtual Domain Modeling for Source Data-free Domain Adaptation},
  author = {Jiayi Tian and Jing Zhang and Wen Li and Dong Xu},
  year = {2021},
  eprint = {2103.14357},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2103.14357v1},
}