%0 Journal Article %A T. V. Ershova %T Asymptotics for central moments of modifications of operators similar to Bernstein polynomials %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2003 %P 10-16 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2003_9_a2/ %G ru %F IVM_2003_9_a2