%0 Journal Article
%A Arne Beurling
%T A minimum principle for positive harmonic functions
%J Annales Fennici Mathematici
%D 1966
%V 371-390
%U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1966.372/
%R 10.5186/aasfm.1966.372
%G en
%F AFM_1966_371-390_a18