%0 Journal Article %A Elisabetta Maluta %A Pier Luigi Papini %T Estimates for Kottman's separation constant in reflexive Banach spaces %J Colloquium Mathematicum %D 2009 %P 105-119 %V 117 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm117-1-7/ %R 10.4064/cm117-1-7 %G en %F 10_4064_cm117_1_7