%0 Journal Article %A Alan Makler %A Saharon Shelah %T Diamond and λ-systems %J Fundamenta Mathematicae %D 1988 %P 45-51 %V 131 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-131-1-45-51/ %R 10.4064/fm-131-1-45-51 %G en %F 10_4064_fm_131_1_45_51