椎名洋
Estimation of the eigenvalues of noncentrality parameter matrix in noncentral Wishart distribution Journal of Multivariate Analysis , 93(1):1-20 2005 Author:Arjun, K. Gupta, Yo Sheena and Yasunori Fujikoshi
Estimation of a multivariate normal covariance matrix under a certain structure, Statistics , 38(5):371--379 2004(Oct.) Author:Arjun, K. Gupta and Yo Sheena
New estimators of discriminant coefficients as the gradient of log-odds, Annals of the Institute of Statistical Mathematics , 56(4):757-770 2004, Author:Yo Sheena and Arjun K.