%0 Journal Article %A R. Arnab %T On a Use of Stratified Sampling in Optimal Estimation. %J Metrika %D 1988 %P 233-239 %V 35 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MET_1988__35_3-4_176183/ %F MET_1988__35_3-4_176183