@article{BroRud:88,
  journal = {An. Univ. Bucure\c sti Mat.},
  volume = {37},
  title = {Prime implicants of dependency functions},
  year = {1988},
  fjournal = {Analele Universit\u a\c tii Bucure\c sti. Matematic\u a},
  pages = {16--26},
  number = {2},
  author = {Brown, Frank Markham and Rudeanu, Sergiu},
}