@inproceedings{a.1945über, title={Über rationale Punkte auf Kurven$y$^{2}=$x$($x$^{2}−$c$^{2}).}, author={A. Wiman}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203121248008657}, booktitle={Acta Mathematica}, volume={77}, number={1}, pages={281-320}, year={1945}, }