@inproceedings{Pur:02,
  publisher = {EFES},
  address = {Cluj-Napoca},
  title = {Some properties of the compatible relations},
  author = {Pelea, Cosmin and Purdea, Ioan},
  year = 2002,
  booktitle = {Proceedings of the Algebra Symposium, Babes-Bolyai University,
               Cluj-Napoca, November 23-24, 2001},
  editor = {Marcus, Andrei and Crivei, Septimiu},
  pages = {235--238},
}