TY - JOUR AU - Philip J. Higgins TI - Thin elements and commutative shells in cubical omega-categories JO - Theory and applications of categories PY - 2005 SP - 60 EP - 74 VL - 14 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAC_2005_14_a3/ LA - en ID - TAC_2005_14_a3 ER -