@article{GDZPPN002065320,
title = {A sharp four dimensional isoperimetric inequality.},
journal = {Commentarii mathematici Helvetici},
volume = {59},
year = {1984},
pages = {187-192},
zbl = {0552.53017},
url = {http://dml.mathdoc.fr/item/GDZPPN002065320}
}
Croke, Christopher B. A sharp four dimensional isoperimetric inequality.. Commentarii mathematici Helvetici, Tome 59 (1984) pp. 187-192. http://gdmltest.u-ga.fr/item/GDZPPN002065320/