@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}, }