@inproceedings{xiaojing2015new,
title={New Lyapunov-type inequalities for a class of even-order linear differential equations},
author={xiaojing yang, and Kueiming Lo},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20161125100550858146640},
booktitle={Mathematische Nachrichten},
volume={288},
number={16},
pages={1910-1915},
year={2015},
}
xiaojing yang, and Kueiming Lo. New Lyapunov-type inequalities for a class of even-order linear differential equations. 2015. Vol. 288. In Mathematische Nachrichten. pp.1910-1915. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20161125100550858146640.