Maximum likelihood estimation of isotonic normal means with unknown variances

Parameter estimation in linear models with heteroscedastic variances subject to order restrictions

Journal of Multivariate Analysis

Estimation of means of multivariate normal populations with order restriction

Journal of Multivariate Analysis

Test of ordered hypothesis: the normal variances case

IITA'09 Proceedings of the 3rd international conference on Intelligent information technology application

Efficient computational algorithm for optimal allocation in regression models

Journal of Computational and Applied Mathematics