@article{GT_2012_16_2_a10, author = {Li, Tian-Jun and Wu, Weiwei}, title = {Lagrangian spheres, symplectic surfaces and the symplectic mapping class group}, journal = {Geometry & topology}, pages = {1121--1169}, publisher = {mathdoc}, volume = {16}, number = {2}, year = {2012}, doi = {10.2140/gt.2012.16.1121}, url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2012.16.1121/} }