中国科学院数学与系统科学研究院期刊网
Variable Selection and Estimation of Quantile Regression Model for Stratified Data
LIU Dong, YANG Dongmei, HE Yong, HE Yong
Acta Mathematicae Applicatae Sinica . 2021, (5): 722 -739 .  DOI: 10.12387/C2021051