@article{Damm90:1,
  title = {Problems Complete for /oplus L},
  author = {Carsten Damm},
  year = {1990},
  tags = {completeness},
  researchr = {https://researchr.org/publication/Damm90%3A1},
  cites = {0},
  citedby = {0},
  journal = {Inf. Process. Lett.},
  volume = {36},
  number = {5},
  pages = {247-250},
}