%0 Journal Article %A B. Balcar %A F. Hernández-Hernández %A M. Hrušák %T Combinatorics of dense subsets of the rationals %J Fundamenta Mathematicae %D 2004 %P 59-80 %V 183 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm183-1-4/ %R 10.4064/fm183-1-4 %G en %F 10_4064_fm183_1_4