%0 Journal Article %A L.S. Hayre %T Sequential Estimation of the Difference Between the Means of Two Normal Populations. %J Metrika %D 1983 %P 101-107 %V 30 %I mathdoc %U http://geodesic.mathdoc.fr/item/MET_1983__30_175890/ %F MET_1983__30_175890