@inproceedings{chongqing2017dynamics,
title={Dynamics around the double resonance},
author={Chongqing Cheng},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170530165644584057776},
booktitle={Cambridge J. Mathematics},
volume={5},
number={2},
pages={153-228},
year={2017},
}