@article{TAC_2015_30_a55, author = {Wei Wang}, title = {On the 3-representations of groups and the 2-categorical traces}, journal = {Theory and applications of categories}, pages = {1999--2047}, publisher = {mathdoc}, volume = {30}, year = {2015}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TAC_2015_30_a55/} }