TY  - JOUR
AU  - Bunke, Ulrich
AU  - Turner, Paul
AU  - Willerton, Simon
TI  - Gerbes and homotopy quantum field theories
JO  - Algebraic and Geometric Topology
PY  - 2004
SP  - 407
EP  - 437
VL  - 4
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2004.4.407/
DO  - 10.2140/agt.2004.4.407
ID  - 10_2140_agt_2004_4_407
ER  -