TY - JOUR AU - Wei Wang TI - On the 3-representations of groups and the 2-categorical traces JO - Theory and applications of categories PY - 2015 SP - 1999 EP - 2047 VL - 30 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAC_2015_30_a55/ LA - en ID - TAC_2015_30_a55 ER -