%0 Journal Article %A Ruiyuan Chen %T On sifted colimits in the presence of pullbacks %J Theory and applications of categories %D 2021 %P 1176-1193 %V 37 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_2021_37_a34/ %G en %F TAC_2021_37_a34