中国科学院数学与系统科学研究院期刊网
Efficient Estimation of Varying Coefficient Seemly Unrelated Regression Model
Qun-fang XU, Yang BAI
Acta Mathematicae Applicatae Sinica(English Series) . 2014, (1): 119 -144 .  DOI: 10.1007/s10255-014-0274-2