@article{DavRud:94a,
  journal = {Rev. Roumaine Sci. Tech. S\'er. \'Electrotech. \'Energ\'et.},
  volume = {39},
  title = {Boolean design with autodual negative gates. {I}},
  year = {1994},
  fjournal = {Revue Roumaine des Sciences Techniques. S\'erie \'Electrotechnique
              et \'Energ\'etique},
  pages = {243--251},
  number = {2},
  author = {Davio, M. and Rudeanu, Sergiu},
}