%0 Journal Article %A Hernández-Cifre, M. A. %A Herrero Piñeyro, P. J. %T Optimizing geometric measures for fixed minimal annulus and inradius. %J Revista matemática iberoamericana %D 2007 %P 953-971 %V 23 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RMI_2007_2007_1_a36/ %G en %F RMI_2007_2007_1_a36