@inproceedings{j.1897a,
title={A special case of Dirichlet's problem for two dimensions},
author={J. C. Kluyver},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203002617597037},
booktitle={Acta Mathematica},
volume={21},
number={1},
pages={265-286},
year={1897},
}