@inproceedings{j.1932diophantische, title={Diophantische Ungleichungen}, author={J. G. van der Corput}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203100752112501}, booktitle={Acta Mathematica}, volume={59}, number={1}, pages={209-328}, year={1932}, }