@article{konieczny02,
  author = {Konieczny, Janusz},
  interhash = {68bc453b63e41a469f5c566e241986e0},
  intrahash = {78b8c939590dc5d30f4016126c693a46},
  journal = {Southeast Asian Bulletin of Mathematics},
  pages = {627-641},
  title = {The Semigroup Generated by Regular Boolean Matrices},
  volume = 25,
  year = 2002
}