@inproceedings{mu-tao2004mean,
title={Mean Curvature Flows and Isotopy of Maps Between Spheres},
author={Mu-Tao Wang},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160821234337208767374},
booktitle={Communications on Pure and Applied Mathematics},
volume={57},
number={8},
pages={1110-1126.},
year={2004},
}
Mu-Tao Wang. Mean Curvature Flows and Isotopy of Maps Between Spheres. 2004. Vol. 57. In Communications on Pure and Applied Mathematics. pp.1110-1126.. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160821234337208767374.