@article{adversarialrobustnessagainsttheunionof,
  title = {Adversarial Robustness Against the Union of Multiple Perturbation Models},
  author = {Pratyush Maini and Eric Wong and J. Zico Kolter},
  year = {2019},
  eprint = {1909.04068},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.04068v2},
}