@article{acloserlookatdoublebackpropagation,
  title = {A Closer Look at Double Backpropagation},
  author = {Christian Etmann},
  year = {2019},
  eprint = {1906.06637},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1906.06637v1},
}