@article{BroRud:01,
  journal = {Mult.-Valued Log.},
  volume = {6},
  title = {Uniquely solvable {B}oolean and simple {B}oolean equations},
  year = {2001},
  fjournal = {Multiple-Valued Logic. An International Journal},
  pages = {11--26},
  number = {1-2},
  author = {Brown, Frank Markham and Rudeanu, Sergiu},
  note = {G. C. Moisil memorial issue},
}