%0 Journal Article %A Zdomsky, Lubomyr %T A semifilter approach to selection principles %J Commentationes Mathematicae Universitatis Carolinae %D 2005 %P 525-539 %V 46 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_2005__46_3_a13/ %G en %F CMUC_2005__46_3_a13