%0 Journal Article %A MikoĊ‚aj Krupski %A Witold Marciszewski %T Some remarks on universality properties of $\ell_\infty / c_0$ %J Colloquium Mathematicum %D 2012 %P 187-195 %V 128 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm128-2-4/ %R 10.4064/cm128-2-4 %G en %F 10_4064_cm128_2_4