%0 Journal Article %A Descotte M.E. %A Dubuc E.J. %A Szyld M. %T A construction of certain weak colimits and an exactness property of the 2-category of categories %J Theory and applications of categories %D 2018 %P 192-215 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_2018_33_a7/ %G en %F TAC_2018_33_a7