@article{GDZPPN002385465,
title = {On the characteristic frequencies of a symmetric membrane.},
journal = {Mathematische Zeitschrift},
volume = {62},
year = {1955},
pages = {331-337},
zbl = {0065.08703},
url = {http://dml.mathdoc.fr/item/GDZPPN002385465}
}
Pólya, G. On the characteristic frequencies of a symmetric membrane.. Mathematische Zeitschrift, Tome 62 (1955) pp. 331-337. http://gdmltest.u-ga.fr/item/GDZPPN002385465/