Statistical inference for the index parameter in single-index models. - Riquan Zhang; Zhensheng Huang; Yazhao Lv (J. Multivar. Anal., 2010)

A robust and efficient estimation method for single index models. - Jicai Liu; Riquan Zhang; Weihua Zhao; Yazhao Lv (J. Multivar. Anal., 2013)

Variable selection in semiparametric hazard regression for multivariate survival data. - Jicai Liu; Riquan Zhang; Weihua Zhao; Yazhao Lv (J. Multivar. Anal., 2015)