%0 Journal Article %A Stephen Lack %T A note on the exact completion of a regular category, and its infinitary generalizations %J Theory and applications of categories %D 1999 %P 70-80 %V 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_1999_5_a2/ %G en %F TAC_1999_5_a2