TY  - JOUR
AU  - Chen, Weimin
TI  - Fixed-point free circle actions on 4–manifolds
JO  - Algebraic and Geometric Topology
PY  - 2015
SP  - 3253
EP  - 3303
VL  - 15
IS  - 6
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2015.15.3253/
DO  - 10.2140/agt.2015.15.3253
ID  - 10_2140_agt_2015_15_3253
ER  -