@article{apurelyregularapproachtononregularcore,
  title = {Refl-Spanners: A Purely Regular Approach to Non-Regular Core Spanners},
  author = {Markus L. Schmid and Nicole Schweikardt},
  year = {2020},
  eprint = {2010.13442},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2010.13442v7},
}