%0 Journal Article %A W. Ku/laga %T On fields and ideals connected with notions of forcing %J Colloquium Mathematicum %D 2006 %P 271-281 %V 105 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm105-2-8/ %R 10.4064/cm105-2-8 %G en %F 10_4064_cm105_2_8