@inproceedings{j.1890on,
title={On a funicular solution of Buffon's “problem of the needle” in its most general form},
author={J. J. Sylvester},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202951242166938},
booktitle={Acta Mathematica},
volume={14},
number={1},
pages={185-205},
year={1890},
}
J. J. Sylvester. On a funicular solution of Buffon's “problem of the needle” in its most general form. 1890. Vol. 14. In Acta Mathematica. pp.185-205. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202951242166938.