中国科学院数学与系统科学研究院期刊网
Empilrical Likelihood for Non-parametric Regression Models with Missing Responses: Multiple Design Case
Qing-zhu Lei, Yong-song Qin
Acta Mathematicae Applicatae Sinica(English Series) . 2011, (1): 1 -12 .  DOI: 10.1007/s10255-011-0035-4