%0 Journal Article %A A. N. Zachos %T Minimal Systolic Circles %J Journal of convex analysis %D 2014 %P 619-65 %V 21 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2014_21_3_JCA_2014_21_3_a1/ %F JCA_2014_21_3_JCA_2014_21_3_a1