@article{unlabelledsamplecompressionschemesfor,
  title = {Unlabelled Sample Compression Schemes for Intersection-Closed Classes and Extremal Classes},
  author = {J. Hyam Rubinstein and Benjamin I. P. Rubinstein},
  year = {2022},
  eprint = {2210.05455},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2210.05455v1},
}