@inproceedings{hao2013discrete,
title={Discrete Greens functions and random walks on graphs},
author={Hao Xu, and Shing-Tung Yau},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224204545537245193},
booktitle={Journal of Combinatorial Theory, Series A},
volume={120},
number={2},
pages={483-499},
year={2013},
}
Hao Xu, and Shing-Tung Yau. Discrete Greens functions and random walks on graphs. 2013. Vol. 120. In Journal of Combinatorial Theory, Series A. pp.483-499. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224204545537245193.