@article{GDZPPN002062690,
title = {A note on Hayman's theorem on the bass note of a drum.},
journal = {Commentarii mathematici Helvetici},
volume = {52},
year = {1977},
pages = {545-556},
zbl = {0374.52008},
url = {http://dml.mathdoc.fr/item/GDZPPN002062690}
}
Osserman, Robert. A note on Hayman's theorem on the bass note of a drum.. Commentarii mathematici Helvetici, Tome 52 (1977) pp. 545-556. http://gdmltest.u-ga.fr/item/GDZPPN002062690/