%0 Journal Article %A M. V. Burnashev %T Investigation of second order properties of statistical estimators in a scheme of independent observations %J Izvestiya. Mathematics %D 1982 %P 439-467 %V 18 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1982_18_3_a2/ %G en %F IM2_1982_18_3_a2