@inproceedings{lan2012quantile,
title={Quantile Regression for Analyzing Heterogeneity in Ultra-High Dimension},
author={Lan WANG, Yichao Wu, and Runze Li},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170205112548121674158},
pages={214},
year={2012},
}