@inproceedings{yong2018harnack,
title={Harnack and mean value inequalities on graphs},
author={Yong Lin, and Hongye Song},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220707152411831663562},
booktitle={Acta Mathematica Scientia},
volume={38},
number={6},
pages={1751-1758},
year={2018},
}
Yong Lin, and Hongye Song. Harnack and mean value inequalities on graphs. 2018. Vol. 38. In Acta Mathematica Scientia. pp.1751-1758. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220707152411831663562.