%0 Journal Article
%A P. E. Marchenko
%T On differentiated estimations of the natural

%J News of the Kabardin-Balkar scientific center of RAS
%D 2014
%P 60-66
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IZKAB_2014_3_a6/
%G ru
%F IZKAB_2014_3_a6