%0 Journal Article %A Antonio Avilés %A Stevo Todorcevic %T Multiple gaps %J Fundamenta Mathematicae %D 2011 %P 15-42 %V 213 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm213-1-2/ %R 10.4064/fm213-1-2 %G en %F 10_4064_fm213_1_2