@inproceedings{hélène2020rigid,
title={Rigid connections and F-isocrystals},
author={Hélène Esnault, and Michael Groechenig},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220310104039482032915},
booktitle={Acta Mathematica},
volume={225},
number={1},
pages={103-158},
year={2020},
}

Hélène Esnault, and Michael Groechenig. Rigid connections and F-isocrystals. 2020. Vol. 225. In Acta Mathematica. pp.103-158. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220310104039482032915.