@article{Rud:66c,
  journal = {Publ. Inst. Math. (Beograd) (N.S.)},
  volume = {6 (20)},
  title = {Sur les \'equations {B}ool\'eennes de S. Cetkovic},
  author = {Rudeanu, Sergiu},
  year = {1966},
  fjournal = {Institut Math\'ematique. Publications. Nouvelle S\'erie},
  pages = {95--97},
}