Z.D.Bai,C.R.Rao,and Y.Wn(1992),M-estimation of Multivariate Linear Regression Parameters under a Connex Discrepancy Funetion.Statisties Siniea.2.237-254.
[2]
C.R.RaoandL.C.Zhao(1990).Approximation to the Distributions of M-estimations in Linear Models by Randomly Weighted Bootstrp.T.R.No.91-07.Center for Multivariate Analysis Penn. State University.
[3]
Koenker,R.and Portnoy.S.(1990).M-estimation of Multivariate Regression. J.Amer Statist Assoc.85.1060-1080.
[4]
Hellers, Sand Willers,R.(1988).Asymptotic Normality of R-estimates in the Linear Model Statisties.19.173-184.
[5]
Yohai,V.J and Maronna,R.A.(1979).Asymptotic Behavior of M-estimates for the Linear Model Ann.Statist.T.258-268.