@inproceedings{shing-tung2001einstein,
title={Einstein manifolds with zero Ricci curvature},
author={Shing-Tung Yau},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224204500540995182},
booktitle={Surveys in Differential Geometry},
volume={6},
number={1},
pages={1-14},
year={2001},
}

Shing-Tung Yau. Einstein manifolds with zero Ricci curvature. 2001. Vol. 6. In Surveys in Differential Geometry. pp.1-14. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224204500540995182.