%0 Journal Article %A Karimah Sweet %A Charles Ching-An Cheng %T Small categories of homological dimension one %J Theory and applications of categories %D 2020 %P 137-154 %V 35 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_2020_35_a4/ %G en %F TAC_2020_35_a4