@article{Rud:83b,
  journal = {Rev. Roumaine Math. Pures Appl.},
  volume = {28},
  title = {Isotony detectors of {B}oolean functions},
  year = {1983},
  fjournal = {Acad\'emie de la R\'epublique Populaire Roumaine. Revue Roumaine
              de Math\'ematiques Pures et Appliqu\'ees},
  pages = {243--250},
  number = {3},
  author = {Rudeanu, Sergiu},
}