TY  - JOUR
AU  - Picken, Roger
TI  - TQFT’s and gerbes
JO  - Algebraic and Geometric Topology
PY  - 2004
SP  - 243
EP  - 272
VL  - 4
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2004.4.243/
DO  - 10.2140/agt.2004.4.243
ID  - 10_2140_agt_2004_4_243
ER  -