@inproceedings{Ior:92,
  volume = {92},
  title = {$S$-prealgebras},
  year = {1992},
  booktitle = {Proceedings of the Conference on Algebra (Cluj-Napoca, 1991)},
  pages = {45--50},
  publisher = {``Babe\c s-Bolyai'' Univ.},
  address = {Cluj},
  author = {Iorgulescu, Afrodita},
  series = {Preprint},
}