@inproceedings{g.2013on, title={ON A GENERALIZATION OF A THEOREM OF MCDUFF}, author={G. Deltour}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160914074323426733965}, booktitle={Journal of Differential Geometry}, volume={93}, number={3}, pages={379-400}, year={2013}, }