%0 Journal Article
%A I. A. Kuzin
%T Comparison theorems for variational problems and their application to elliptic

%J Izvestiya. Mathematics 
%D 1994
%P 331-346
%V 43
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1994_43_2_a6/
%G en
%F IM2_1994_43_2_a6