@inproceedings{lei2007a,
title={A matrix Li-Yau-Hamilton estimate for Kähler-Ricci flow},
author={Lei Ni},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160908193140589857665},
booktitle={Journal of Differential Geometry},
volume={75},
number={2},
pages={303-358},
year={2007},
}

Lei Ni. A matrix Li-Yau-Hamilton estimate for Kähler-Ricci flow. 2007. Vol. 75. In Journal of Differential Geometry. pp.303-358. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160908193140589857665.