@article{labeledcompressionschemesforextremal,
  title = {Labeled compression schemes for extremal classes},
  author = {Shay Moran and Manfred K. Warmuth},
  year = {2015},
  eprint = {1506.00165},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1506.00165v3},
}