@inproceedings{hui-chun2018lipschitz,
title={Lipschitz continuity of harmonic maps between Alexandrov spaces},
author={Hui-Chun Zhang, and Xi-Ping Zhu},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160910110448701208753},
booktitle={Invent. math.},
volume={211},
number={3},
pages={863-934},
year={2018},
}
Hui-Chun Zhang, and Xi-Ping Zhu. Lipschitz continuity of harmonic maps between Alexandrov spaces. 2018. Vol. 211. In Invent. math.. pp.863-934. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160910110448701208753.