%0 Journal Article %A Anders Kock %T Combinatorics of curvature, and the Bianchi identity %J Theory and applications of categories %D 1996 %P 69-89 %V 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_1996_2_a6/ %G en %F TAC_1996_2_a6