@inproceedings{xiaochuan2017trace,
title={Trace theorems for some nonlocal energy spaces with heterogeneous localization},
author={Xiaochuan Tian, and Qiang Du},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170314192604749825700},
booktitle={SIAM J. Mathematical Analysis},
year={2017},
}

Xiaochuan Tian, and Qiang Du. Trace theorems for some nonlocal energy spaces with heterogeneous localization. 2017. In SIAM J. Mathematical Analysis. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170314192604749825700.