%0 Journal Article
%A Robert Osserman
%T A note on Hayman's theorem on the bass note of a drum.
%J Commentarii mathematici Helvetici
%D 1977
%P 545-556
%V 52
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1977__52_139713/
%F CMH_1977__52_139713