@article{hierarchicaldomaininvariantvariational,
  title = {Hierarchical Variational Auto-Encoding for Unsupervised Domain Generalization},
  author = {Xudong Sun and Florian Buettner},
  year = {2021},
  eprint = {2101.09436},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2101.09436v5},
}