@article{FennerPad{\´e}Thierauf2022,
  author    = {Fenner, Stephen and Pad{\´e}, Daniel and Thierauf, Thomas},
  title     = {The complexity of regex crosswords},
  journal   = {Information and Computation},
  volume    = {286},
  doi       = {10.1016/j.ic.2021.104777},
  institution = {Elektronik und Informatik},
  pages     = {104777},
  year      = {2022},
  language  = {en}
}