@inproceedings{p.1886sur, title={Sur quelques applications de la fonction$Z(x, y, z)$}, author={P. Appell}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108202940290149838}, booktitle={Acta Mathematica}, volume={8}, number={1}, pages={265-294}, year={1886}, }