%0 Journal Article %A G. Pólya %T More isoperimetric inequalities proved and conjectured. %J Commentarii mathematici Helvetici %D 1955 %P 112-119 %V 29 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1955__29_139098/ %F CMH_1955__29_139098