@article{GDZPPN002230402, title = {A Symplectic Rigidity Theorem.}, journal = {Manuscripta mathematica}, volume = {67}, year = {1990}, pages = {109-112}, zbl = {0682.53038}, url = {http://dml.mathdoc.fr/item/GDZPPN002230402} }
Bates, Larry. A Symplectic Rigidity Theorem.. Manuscripta mathematica, Tome 67 (1990) pp. 109-112. http://gdmltest.u-ga.fr/item/GDZPPN002230402/