@article{MelRud:80,
  journal = {Rev. Roumaine Math. Pures Appl.},
  volume = {25},
  title = {Generalized inverses of {B}oolean functions},
  year = {1980},
  fjournal = {Acad\'emie de la R\'epublique Populaire Roumaine. Revue Roumaine
              de Math\'ematiques Pures et Appliqu\'ees},
  pages = {891--897},
  number = {6},
  author = {Melter, Robert A. and Rudeanu, Sergiu},
}