%0 Journal Article
%A V. G. Maz'ya
%A V. P. Havin
%T Approximation in the mean by harmonic functions
%J Zapiski Nauchnykh Seminarov POMI
%D 1972
%P 91-105
%V 30
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1972_30_a6/
%G ru
%F ZNSL_1972_30_a6