%0 Journal Article %A Foryś, Wit %T On equality sets of morphisms in topological free monoids %J RAIRO. Informatique théorique et applications %D 1991 %P 39-42 %V 25 %N 1 %I EDP-Sciences %U https://www.numdam.org/item/ITA_1991__25_1_39_0/ %G en %F ITA_1991__25_1_39_0