@article{paclearningisundecidable,
  title = {PAC-learning is Undecidable},
  author = {Sairaam Venkatraman and S. Balasubramanian and R. Raghunatha Sarma},
  year = {2018},
  eprint = {1808.06324},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1808.06324v3},
}