@inproceedings{panagiota2012classification,
title={CLASSIFICATION OF ANCIENT COMPACT SOLUTIONS TO THE RICCI FLOW ON SURFACES},
author={Panagiota Daskalopoulos, Richard Hamilton, and Natasa Sesum},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160913225952751846930},
booktitle={Journal of Differential Geometry},
volume={91},
number={2},
pages={171-214},
year={2012},
}
Panagiota Daskalopoulos, Richard Hamilton, and Natasa Sesum. CLASSIFICATION OF ANCIENT COMPACT SOLUTIONS TO THE RICCI FLOW ON SURFACES. 2012. Vol. 91. In Journal of Differential Geometry. pp.171-214. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160913225952751846930.