@inproceedings{yunfeng2013hybrid,
title={Hybrid preconditioning for iterative diagonalization of ill-conditioned generalized eigenvalue problems in electronic structure calculations},
author={Yunfeng Cai, Zhaojun Bai, John E. Pask, and N. Sukumar},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160901051904968000604},
booktitle={J. of Computational Physics},
volume={255},
pages={16-33},
year={2013},
}
Yunfeng Cai, Zhaojun Bai, John E. Pask, and N. Sukumar. Hybrid preconditioning for iterative diagonalization of ill-conditioned generalized eigenvalue problems in electronic structure calculations. 2013. Vol. 255. In J. of Computational Physics. pp.16-33. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160901051904968000604.