@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}, }