@inproceedings{yi2001hyperk\",
title={HyperK\" ahler Manifolds and Birational Transformations},
author={Yi Hu, and Shing-Tung Yau},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224204443647457180},
booktitle={arXiv preprint math/0111089},
year={2001},
}