@inproceedings{chong-qing2009arnold,
title={ARNOLD DIFFUSION IN HAMILTONIAN SYSTEMS:A PRIORI UNSTABLE CASE},
author={Chong-Qing Cheng, and Jun Yan},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160911183342268505774},
booktitle={Journal of Differential Geometry},
volume={82},
number={2},
pages={229-277},
year={2009},
}
Chong-Qing Cheng, and Jun Yan. ARNOLD DIFFUSION IN HAMILTONIAN SYSTEMS:A PRIORI UNSTABLE CASE. 2009. Vol. 82. In Journal of Differential Geometry. pp.229-277. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160911183342268505774.