%0 Journal Article %A KozioĊ‚, Arkadiusz %T Best unbiased estimates for parameters of three-level multivariate data with doubly exchangeable covariance structure and structured mean vector %J Discussiones Mathematicae. Probability and Statistics %D 2016 %P 93-113 %V 36 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMPS_2016_36_1-2_a5/ %G en %F DMPS_2016_36_1-2_a5