@inproceedings{guitang2019semistable,
title={Semistable Higgs bundles, periodic Higgs bundles and representations of algebraic fundamental groups},
author={Guitang Lan, Mao Sheng, and Kang Zuo},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220316104814499940974},
booktitle={J. Eur. Math. Soc.},
volume={21},
pages={3053-3112},
year={2019},
}

Guitang Lan, Mao Sheng, and Kang Zuo. Semistable Higgs bundles, periodic Higgs bundles and representations of algebraic fundamental groups. 2019. Vol. 21. In J. Eur. Math. Soc.. pp.3053-3112. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220316104814499940974.