%0 Journal Article %A V. M. Kesel'man %T Isoperimetric inequality on conformally %J Sbornik. Mathematics %D 2003 %P 495-513 %V 194 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2003_194_4_a1/ %G en %F SM_2003_194_4_a1