@inproceedings{vito1892sur, title={Sur les vibrations lumineuses dans les milieux biréfringents}, author={Vito Volterra}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202954825125971}, booktitle={Acta Mathematica}, volume={16}, number={1}, pages={153-215}, year={1892}, }