@inproceedings{georgi2003local,
title={Local energy decay of solutions to the wave equation for nontrapping metrics},
author={Georgi Vodev},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203612194325850},
booktitle={Arkiv for Matematik},
volume={42},
number={2},
pages={379-397},
year={2003},
}
Georgi Vodev. Local energy decay of solutions to the wave equation for nontrapping metrics. 2003. Vol. 42. In Arkiv for Matematik. pp.379-397. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203612194325850.