TY - JOUR AU - Emmanuel Haucourt TI - Categories of components and loop-free categories JO - Theory and applications of categories PY - 2006 SP - 736 EP - 770 VL - 16 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAC_2006_16_a26/ LA - en ID - TAC_2006_16_a26 ER -