TY - JOUR AU - Staiger, Ludwig TI - Sequential mappings of $\omega $-languages JO - RAIRO. Informatique théorique et applications PY - 1987 SP - 147 EP - 173 VL - 21 IS - 2 PB - EDP-Sciences UR - https://www.numdam.org/item/ITA_1987__21_2_147_0/ LA - en ID - ITA_1987__21_2_147_0 ER -