@inproceedings{peter1952über,
title={Über die Diophantische Gleichung$x$^{l}+$y$^{l}=$cz$^{l}},
author={Peter Dénes},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203136121218766},
booktitle={Acta Mathematica},
volume={88},
number={1},
pages={241-251},
year={1952},
}