TY - JOUR AU - Ni, Yi TI - Nonseparating spheres and twisted Heegaard Floer homology JO - Algebraic and Geometric Topology PY - 2013 SP - 1143 EP - 1159 VL - 13 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2013.13.1143/ DO - 10.2140/agt.2013.13.1143 ID - 10_2140_agt_2013_13_1143 ER -