%0 Journal Article %A J. Adamek %A J. Rosicky %A E. M. Vitale %T What are sifted colimits? %J Theory and applications of categories %D 2010 %P 251-260 %V 23 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_2010_23_a12/ %G en %F TAC_2010_23_a12