1. Testing the Hypothesis of a Doubly Exchangeable Covariance Matrix for Elliptically Contoured Distributions;Coelho,2014
2. Least squares and generalized least squares in models with orthogonal block structure;Fonseca;J. Statist. Plann. Inference,2010
3. The Coordinate-Free Approach to Gauss–Markov Estimation;Drygas,1970
4. Uniformly Minimum Variance Unbiased Estimation in Euclidean Vector Spaces;Gnot,1976
5. Uniformly minimum variance unbiased estimation in various classes of estimators;Gnot;Math. Oper.forsch. Stat., Ser. Stat.,1977