%0 Journal Article %A Arthur W. Apter %A Grigor Sargsyan %T A Reduction in Consistency Strength for Universal Indestructibility %J Bulletin of the Polish Academy of Sciences. Mathematics %D 2007 %P 1-6 %V 55 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ba55-1-1/ %R 10.4064/ba55-1-1 %G en %F 10_4064_ba55_1_1