@inproceedings{alberto2004a,
title={A sharp decay estimate for positive nonlinear waves},
author={Alberto Bressan, and Tong Yang},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224210936434118527},
booktitle={SIAM journal on mathematical analysis},
volume={36},
number={2},
pages={659-677},
year={2004},
}
Alberto Bressan, and Tong Yang. A sharp decay estimate for positive nonlinear waves. 2004. Vol. 36. In SIAM journal on mathematical analysis. pp.659-677. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224210936434118527.