%0 Journal Article
%A I. A. Ibragimov
%T Low bounds for risk functions in non-parametric estimation problems
%J Zapiski Nauchnykh Seminarov POMI
%D 2011
%P 102-110
%V 396
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_2011_396_a6/
%G ru
%F ZNSL_2011_396_a6