%0 Journal Article %A Andrzej Rosłanowski %A Saharon Shelah %T Cardinal invariants of ultraproducts of Boolean algebras %J Fundamenta Mathematicae %D 1998 %P 101-151 %V 155 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-155-2-101-151/ %R 10.4064/fm-155-2-101-151 %G en %F 10_4064_fm_155_2_101_151