@inproceedings{shang-qiangsymmetry,
title={Symmetry Enrichment in Three-Dimensional Topological Phases},
author={Shang-Qiang Ning, Zheng-Xin Liu, and Peng Ye},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170208004108198655298},
}

Shang-Qiang Ning, Zheng-Xin Liu, and Peng Ye. Symmetry Enrichment in Three-Dimensional Topological Phases. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170208004108198655298.