@article{Schiex97,
author = "T. Schiex and H. Fargier and G. Verfaillie",
journal = "Revue d'Intelligence Artificielle",
number = "3",
pages = "339--373",
title = "{P}robl{\`e}mes de satisfaction de contraintes
                   valu{\'e}s",
volume = "9",
year = "1997",
}