@inproceedings{juan1956the,
title={The equation$1$^{p$+2$}^{p$+3$}^{p$+...+n$}^{p$=m$}^{$q$}},
author={Juan J. Schäffer},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203144524917831},
booktitle={Acta Mathematica},
volume={95},
number={1},
pages={155-189},
year={1956},
}