TY  - JOUR
AU  - John C. Baez
AU  - Aaron D. Lauda
TI  - Higher-dimensional algebra V: 2-Groups
JO  - Theory and applications of categories
PY  - 2004
SP  - 423
EP  - 491
VL  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TAC_2004_12_a13/
LA  - en
ID  - TAC_2004_12_a13
ER  -