TY - JOUR AU - Marco Grandis TI - Higher cospans and weak cubical categories (Cospans in algebraic topology, I) JO - Theory and applications of categories PY - 2007 SP - 321 EP - 347 VL - 18 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAC_2007_18_a11/ LA - en ID - TAC_2007_18_a11 ER -