%0 Journal Article %A Balcar, Bohuslav %A Simon, Petr %T On collections of almost disjoint families %J Commentationes Mathematicae Universitatis Carolinae %D 1988 %P 631-646 %V 29 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1988__29_4_a1/ %G en %F CMUC_1988__29_4_a1