%0 Journal Article %A Lin, Shou %A Yan, Pengfei %T Notes on $cfp$-covers %J Commentationes Mathematicae Universitatis Carolinae %D 2003 %P 295-306 %V 44 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_2003__44_2_a7/ %G en %F CMUC_2003__44_2_a7