@inproceedings{james2005symplectic,
title={Symplectic nonsqueezing of the korteweg-de vries flow},
author={James Colliander, Gigliola Staffilani, Markus Keel, Hideo Takaoka, and Terence Tao},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203347787016673},
booktitle={Acta Mathematica},
volume={195},
number={2},
pages={197-252},
year={2005},
}
James Colliander, Gigliola Staffilani, Markus Keel, Hideo Takaoka, and Terence Tao. Symplectic nonsqueezing of the korteweg-de vries flow. 2005. Vol. 195. In Acta Mathematica. pp.197-252. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203347787016673.