TY  - JOUR
AU  - Han, Fei
AU  - Liu, Kefeng
TI  - Gravitational anomaly cancellation and modular invariance
JO  - Algebraic and Geometric Topology
PY  - 2014
SP  - 91
EP  - 113
VL  - 14
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2014.14.91/
DO  - 10.2140/agt.2014.14.91
ID  - 10_2140_agt_2014_14_91
ER  -