@incollection{Dubois91,
author = "Didier Dubois and J{\'e}r{\^o}me Lang and Henri Prade",
booktitle = "Fuzzy logic for the Management of Uncertainty",
editor = "L.A. Zadeh and J. Kacprzyk",
pages = "335-351",
publisher = "Wiley and sons",
title = "{I}nconsistency in possibilistic {K}nowledge bases - to
                   live or not to live with it",
year = "1991",
}