%0 Journal Article %A N. J. Kalton %A G. Lancien %T Best constants for Lipschitz embeddings of metric spaces into $c_0$ %J Fundamenta Mathematicae %D 2008 %P 249-272 %V 199 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm199-3-4/ %R 10.4064/fm199-3-4 %G en %F 10_4064_fm199_3_4