%0 Journal Article
%A V. V. Volchkov
%T New two-radii theorems in the theory of harmonic functions
%J Izvestiya. Mathematics 
%D 1995
%P 181-192
%V 44
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1995_44_1_a8/
%G en
%F IM2_1995_44_1_a8