@inproceedings{j.1887zur,
title={Zur Theorie des Flächenpotentials},
author={J. Weingarten},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202942643060860},
booktitle={Acta Mathematica},
volume={10},
number={1},
pages={303-309},
year={1887},
}