TY - JOUR AU - Stephen Lack TI - Bicat is not triequivalent to Gray JO - Theory and applications of categories PY - 2007 SP - 1 EP - 3 VL - 18 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAC_2007_18_a0/ LA - en ID - TAC_2007_18_a0 ER -