%0 Journal Article %A Sun, Shu-Hao %A Choo, Koo-Guan %T New properties of the concentric circle space and its applications to cardinal inequalities %J Commentationes Mathematicae Universitatis Carolinae %D 1991 %P 395-403 %V 32 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1991__32_2_a22/ %G en %F CMUC_1991__32_2_a22