@article{constantdelayenumerationfor1,
  title = {Constant-Delay Enumeration for Nondeterministic Document Spanners},
  author = {Antoine Amarilli and Pierre Bourhis and Stefan Mengel and Matthias Niewerth},
  year = {2020},
  eprint = {2003.02576},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2003.02576v3},
}