@article{semisupervisedlearningbylabelgradient,
  title = {Semi-Supervised Learning by Label Gradient Alignment},
  author = {Jacob Jackson and John Schulman},
  year = {2019},
  eprint = {1902.02336},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1902.02336v1},
}