@inproceedings{h.1892sur,
title={Sur la polarisation par diffraction},
author={H. Poincaré},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202955093544973},
booktitle={Acta Mathematica},
volume={16},
number={1},
pages={297-339},
year={1892},
}