@inproceedings{yat1999u(1)-decomposable,
title={U(1)-decomposable self-dual manifolds},
author={Yat Sun Poon},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020222043737424373},
booktitle={Differential Geometry and its Applications},
volume={10},
number={2},
pages={107-119},
year={1999},
}
Yat Sun Poon. U(1)-decomposable self-dual manifolds. 1999. Vol. 10. In Differential Geometry and its Applications. pp.107-119. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020222043737424373.