@article{stillnofreelunchesthepricetopayfor,
  title = {Still no free lunches: the price to pay for tighter PAC-Bayes bounds},
  author = {Benjamin Guedj and Louis Pujol},
  year = {2019},
  eprint = {1910.04460},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1910.04460v1},
}