%0 Journal Article %A Ouardi, Faissal %A Ziadi, Djelloul %T Efficient weighted expressions conversion %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 2008 %P 285-307 %V 42 %N 2 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ita:2007035/ %R 10.1051/ita:2007035 %G en %F ITA_2008__42_2_285_0