Quadratic prediction problems in multivariate linear models. - Xu-Qing Liu; Dong-Dong Wang; Jian-Ying Rong (J. Multivar. Anal., 2009)

Quadratic prediction and quadratic sufficiency in finite populations. - Xu-Qing Liu; Dong-Dong Wang; Jian-Ying Rong (J. Multivar. Anal., 2009)

Adjustive Liu-Type Estimators in Linear Regression Models. - Jian-Ying Rong (Commun. Stat. Simul. Comput., 2010)

Optimal non-diagonal-type estimators in linear regression under the prediction error sum of squares criterion. - Jian-Ying Rong; Xu-Qing Liu (Commun. Stat. Simul. Comput., 2017)