@article{VTPMK_2015_1_a0,
     author = {V. E. Bening},
     title = {On deficiencies of some estimators based on samples of random size},
     journal = {Vestnik Tverskogo gosudarstvennogo universiteta. Seri\^a Prikladna\^a matematika},
     pages = {5--14},
     publisher = {mathdoc},
     number = {1},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTPMK_2015_1_a0/}
}