%0 Journal Article
%A V. G. Maz'ya
%A V. P. Havin
%T On approximation in the mean by harmonic functions
%J Zapiski Nauchnykh Seminarov POMI
%D 1967
%P 196-200
%V 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1967_5_a7/
%G ru
%F ZNSL_1967_5_a7