%0 Journal Article %A Marco Grandis %T A note on exactness and stability in homotopical algebra %J Theory and Applications of Categories [electronic only] %D 2000 %P 17-42 %V 9 %U https://geodesic-test.mathdoc.fr/item/TAC_2000__9_a1/ %G en %F TAC_2000__9_a1