@inproceedings{shing-tung2000nonlinear,
title={Nonlinear and linear elastic impact theory},
author={Shing-Tung Yau, and Wen Zhang},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224205241435391288},
booktitle={Methods and Applications of Analysis},
volume={7},
number={3},
pages={591-604},
year={2000},
}
Shing-Tung Yau, and Wen Zhang. Nonlinear and linear elastic impact theory. 2000. Vol. 7. In Methods and Applications of Analysis. pp.591-604. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224205241435391288.