%0 Journal Article
%A Friedrich Huckemann
%T An extremal problem for harmonic measure.
%J Commentarii mathematici Helvetici
%D 1977
%P 611-624
%V 52
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1977__52_139719/
%F CMH_1977__52_139719