%0 Journal Article %A Bohuslav Balcar %A Jan Pelant %A Petr Simon %T The space of ultrafilters on N covered by nowhere dense sets %J Fundamenta Mathematicae %D 1980 %P 11-24 %V 110 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-110-1-11-24/ %R 10.4064/fm-110-1-11-24 %G en %F 10_4064_fm_110_1_11_24