中国科学院数学与系统科学研究院期刊网
Variable Selection for Semiparametric Varying-Coefficient Partially Linear Models with Missing Response at Random
Pei Xin ZHAO, Liu Gen XUE
Acta Mathematica Sinica . 2011, (11): 2205 -2216 .  DOI: 10.1007/s10114-011-9200-1