@inproceedings{guotaidifferentiability,
title={Differentiability of the Lq-spectrum and Multifractal decomposition by using infinite graph-directed IFSs},
author={Guotai Deng, and Sze-Man Ngai},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170107175811939321709},
}