@article{initializingperturbationsinmultiple,
  title = {Initializing Perturbations in Multiple Directions for Fast Adversarial Training},
  author = {Xunguang Wang and Ship Peng Xu and Eric Ke Wang},
  year = {2020},
  eprint = {2005.07606},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2005.07606v2},
}