@inproceedings{ostrowki1942sur, title={Sur les transformations réversibles d'éléments de ligne}, author={Ostrowki Alexandre}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203119114290639}, booktitle={Acta Mathematica}, volume={75}, number={1}, pages={151-182}, year={1942}, }