%0 Journal Article %A Straubing, Howard %T Relational morphisms and operations on recognizable sets %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 1981 %P 149-159 %V 15 %N 2 %I EDP-Sciences %U http://geodesic.mathdoc.fr/item/ITA_1981__15_2_149_0/ %G en %F ITA_1981__15_2_149_0