%0 Journal Article %A Pin, Jean-Eric %A Weil, Pascal %T A conjecture on the concatenation product %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 2001 %P 597-618 %V 35 %N 6 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ita:2001134/ %R 10.1051/ita:2001134 %G en %F ITA_2001__35_6_597_0