TY - JOUR AU - Philip S. Crooke TI - An isoperimetric bound for a Sobolev constant JO - Colloquium Mathematicum PY - 1977 SP - 263 EP - 267 VL - 38 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-38-2-263-267/ DO - 10.4064/cm-38-2-263-267 LA - en ID - 10_4064_cm_38_2_263_267 ER -