@inproceedings{Brzozowski00:0,
  title = {De Morgan Bisemilattices},
  author = {Janusz A. Brzozowski},
  year = {2000},
  url = {http://computer.org/proceedings/ismvl/0692/06920173abs.htm},
  researchr = {https://researchr.org/publication/Brzozowski00%3A0},
  cites = {0},
  citedby = {0},
  pages = {173-178},
  booktitle = {ISMVL},
}