@inproceedings{fan2000higher,
title={Higher eigenvalues and isoperimetric inequalities on Riemannian manifolds and graphs},
author={Fan Chung, Alexander Grigoryan, and Shing-Tung Yau},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224203803299307084},
booktitle={Communications in Analysis and Geometry},
volume={8},
number={5},
pages={969-1026},
year={2000},
}
Fan Chung, Alexander Grigoryan, and Shing-Tung Yau. Higher eigenvalues and isoperimetric inequalities on Riemannian manifolds and graphs. 2000. Vol. 8. In Communications in Analysis and Geometry. pp.969-1026. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224203803299307084.