%0 Journal Article
%A O. A. Ochakovskaya
%T Theorems on ball mean values for solutions of the Helmholtz equation on unbounded domains
%J Izvestiya. Mathematics 
%D 2012
%P 365-374
%V 76
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_2012_76_2_a6/
%G en
%F IM2_2012_76_2_a6