TY - JOUR AU - Mark Weber TI - Free products of higher operad algebras JO - Theory and applications of categories PY - 2013 SP - 24 EP - 65 VL - 28 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAC_2013_28_a1/ LA - en ID - TAC_2013_28_a1 ER -