@inproceedings{Nicolas_Garcia_Stephan_IJCAI_05,
  author = "P. Nicolas and L. Garcia and I. St{\'e}phan",
  title = "Possibilistic {S}table {M}odels",
    booktitle = "Proceedings of 9th International Joint Conference on Artificial Intelligence (IJCAI'05)",
pages = "248-253",
    year = "2005"
}