Jean-Marc Champarnaud Éric Laugerotte Faissal Ouardi Djelloul Ziadi From Regular Weighted Expressions to Finite Automata. 49-60 2003 conf/wia/2003 CIAA http://link.springer.de/link/service/series/0558/bibs/2759/27590049.htm db/conf/wia/ciaa2003.html#ChamparnaudLOZ03