@inproceedings{kefeng2011mean,
  title={Mean curvature flow of higher codimension in hyperbolic spaces},
  author={Kefeng Liu, Hongwei Xu, Fei Ye, and Entao Zhao},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221111357748489631},
  booktitle={arXiv preprint arXiv:1105.5686},
  year={2011},
}
             
            
                
Kefeng Liu, Hongwei Xu, Fei Ye, and Entao Zhao. Mean curvature flow of higher codimension in hyperbolic spaces. 2011. In arXiv preprint arXiv:1105.5686. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221111357748489631.