%0 Journal Article %A Ehrenfeucht, A. %A Rozenberg, G. %T Strong iterative pairs and the regularity of context-free languages %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 1985 %P 43-56 %V 19 %N 1 %I EDP-Sciences %U http://geodesic.mathdoc.fr/item/ITA_1985__19_1_43_0/ %G en %F ITA_1985__19_1_43_0