@inproceedings{gerhard1998convexity,
title={Convexity estimates for mean curvature flow and singularities of mean convex surfaces},
author={Gerhard Huisken, and Carlo Sinestrari},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203334082910581},
booktitle={Acta Mathematica},
volume={183},
number={1},
pages={45-70},
year={1998},
}
Gerhard Huisken, and Carlo Sinestrari. Convexity estimates for mean curvature flow and singularities of mean convex surfaces. 1998. Vol. 183. In Acta Mathematica. pp.45-70. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203334082910581.