@inproceedings{bobo2017payne-polya-weinberger,,
title={Payne-Polya-Weinberger, Hile-Protter and Yang's inequalities for Dirichlet Laplace eigenvalues on integer lattices},
author={Bobo Hua, Yong Lin, and Yanhui Su},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220707160359853525577},
booktitle={arXiv},
year={2017},
}
Bobo Hua, Yong Lin, and Yanhui Su. Payne-Polya-Weinberger, Hile-Protter and Yang's inequalities for Dirichlet Laplace eigenvalues on integer lattices. 2017. In arXiv. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220707160359853525577.