@inproceedings{lizhen2014spectral,
title={Spectral theory for the Weil–Petersson Laplacian on the Riemann moduli space},
author={Lizhen Ji, Rafe Mazzeo, Werner Müller, and Andras Vasy},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170530155907957003770},
booktitle={Comment. Math. Helv},
volume={89},
pages={867–894},
year={2014},
}

Lizhen Ji, Rafe Mazzeo, Werner Müller, and Andras Vasy. Spectral theory for the Weil–Petersson Laplacian on the Riemann moduli space. 2014. Vol. 89. In Comment. Math. Helv. pp.867–894. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170530155907957003770.