%0 Journal Article %A Staiger, Ludwig %T Sequential mappings of $\omega $-languages %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 1987 %P 147-173 %V 21 %N 2 %I EDP-Sciences %U http://www.numdam.org/item/ITA_1987__21_2_147_0/ %G en %F ITA_1987__21_2_147_0