%0 Journal Article %A Robert Paré %T Contravariant Functors on Finite Sets and Stirling Numbers %J Theory and applications of categories %D 1999 %P 65-76 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_1999_6_a4/ %G en %F TAC_1999_6_a4