@article{improvingoodgeneralizationwithcausal,
  title = {Improving OOD Generalization with Causal Invariant Transformations},
  author = {Ruoyu Wang and Mingyang Yi and Shengyu Zhu and Zhitang Chen},
  year = {2021},
  url = {https://openreview.net/forum?id=qiBTPIoQ0lz},
}