@inproceedings{zhaojun2012minimization,
title={Minimization Principle for Linear Response Eigenvalue Problem I: Theory},
author={Zhaojun Bai, and Ren-Cang Li},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170322052233882734731},
booktitle={SIAM Journal on Matrix Analysis and Applications},
volume={33},
number={4},
pages={1075-1100},
year={2012},
}
Zhaojun Bai, and Ren-Cang Li. Minimization Principle for Linear Response Eigenvalue Problem I: Theory. 2012. Vol. 33. In SIAM Journal on Matrix Analysis and Applications. pp.1075-1100. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170322052233882734731.