@article{GDZPPN002061511,
title = {A Geometrical Isoperimetric Inequality and Applications to Problems of Mathematical Physics},
journal = {Commentarii mathematici Helvetici},
volume = {49},
year = {1974},
pages = {496-511},
zbl = {0292.52007},
url = {http://dml.mathdoc.fr/item/GDZPPN002061511}
}
Bandle, Catherine. A Geometrical Isoperimetric Inequality and Applications to Problems of Mathematical Physics. Commentarii mathematici Helvetici, Tome 49 (1974) pp. 496-511. http://gdmltest.u-ga.fr/item/GDZPPN002061511/