@inproceedings{e.1890remarques,
title={Remarques sur la théorie de la représentation conforme},
author={E. Phragmén},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202951645996942},
booktitle={Acta Mathematica},
volume={14},
number={1},
pages={225-232},
year={1890},
}