%0 Journal Article %A Philip S. Crooke %T An isoperimetric bound for a Sobolev constant %J Colloquium Mathematicum %D 1977 %P 263-267 %V 38 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-38-2-263-267/ %R 10.4064/cm-38-2-263-267 %G en %F 10_4064_cm_38_2_263_267