TY - JOUR AU - Rune Johansen TI - On the structure of covers of sofic shifts JO - Documenta mathematica PY - 2011 SP - 111 EP - 131 VL - 16 UR - http://geodesic.mathdoc.fr/articles/10.4171/dm/328/ DO - 10.4171/dm/328 ID - 10_4171_dm_328 ER -