TY  - JOUR
AU  - Arthur W. Apter
AU  - Grigor Sargsyan
TI  - A Reduction in Consistency Strength
for Universal Indestructibility
JO  - Bulletin of the Polish Academy of Sciences. Mathematics
PY  - 2007
SP  - 1
EP  - 6
VL  - 55
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ba55-1-1/
DO  - 10.4064/ba55-1-1
LA  - en
ID  - 10_4064_ba55_1_1
ER  -