@inproceedings{brian2021a,
title={A Liouville-type theorem and Bochner formula for harmonic maps into metric spaces},
author={Brian Freidin, and Yingying Zhang},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220428135324267396141},
booktitle={Communications in Analysis and Geometry},
volume={28},
number={8},
pages={1847-1862},
year={2021},
}

Brian Freidin, and Yingying Zhang. A Liouville-type theorem and Bochner formula for harmonic maps into metric spaces. 2021. Vol. 28. In Communications in Analysis and Geometry. pp.1847-1862. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220428135324267396141.