@inproceedings{simon2020ancient,
title={Ancient solutions to the Ricci flow in dimension 3},
author={Simon Brendle},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220310103300720346914},
booktitle={Acta Mathematica},
volume={225},
number={1},
pages={1-102},
year={2020},
}