TY - JOUR AU - Foryś, Wit TI - On equality sets of morphisms in topological free monoids JO - RAIRO. Informatique théorique et applications PY - 1991 SP - 39 EP - 42 VL - 25 IS - 1 PB - EDP-Sciences UR - https://www.numdam.org/item/ITA_1991__25_1_39_0/ LA - en ID - ITA_1991__25_1_39_0 ER -