%0 Journal Article
%A A. R. Alimov
%T Preservation of approximative properties of subsets

%J Izvestiya. Mathematics 
%D 2006
%P 857-866
%V 70
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_2006_70_5_a0/
%G en
%F IM2_2006_70_5_a0