%0 Journal Article %A Couceiro, Miguel %A Foldes, Stephan %T Function classes and relational constraints stable under compositions with clones %J Discussiones Mathematicae. General Algebra and Applications %D 2009 %P 109-121 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGAA_2009_29_2_a1/ %G en %F DMGAA_2009_29_2_a1