%0 Journal Article %A V. E. Bening %T On deficiencies of some estimators based on samples of random size %J Vestnik Tverskogo gosudarstvennogo universiteta. Seriâ Prikladnaâ matematika %D 2015 %P 5-14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTPMK_2015_1_a0/ %G ru %F VTPMK_2015_1_a0