TY - JOUR AU - Dominique Bourn TI - Commutator theory in strongly protomodular categories JO - Theory and applications of categories PY - 2004 SP - 27 EP - 40 VL - 13 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAC_2004_13_a1/ LA - en ID - TAC_2004_13_a1 ER -