Higher order efficiency of linear combinations of U-statistics as estimators of estimable parameter. Sientiae Mathematicae Japonicae. 2002. 56. 1. 95-106
Large cleviations for a linear combination of U-statistics. Scientiae Mathematicae Japonicae Online. 2002. 7. 189-197
Higher order efficiency of linear combinations of U-statistics as estimators of estimable parameter(jointly worked). Sientiae Mathematicae Japonicae. 2002. 56. 1. 95-106