@inproceedings{david1894ein,
title={Ein Beitrag zur Theorie des Legendre'schen Polynoms},
author={David Hilbert},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202957911035998},
booktitle={Acta Mathematica},
volume={18},
number={1},
pages={155-159},
year={1894},
}