@inproceedings{LK20,
  author    = {O. Leshkowitz and O. Kupferman},
  title     = {On Repetition Languages},
  booktitle = mfcs20,
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  volume    = {170},
  pages     = {59:1--59:14},
  year      = {2020}
}