TY  - JOUR
AU  - Koppelberg, Sabine
AU  - Shelah, Saharon
TI  - Densities of Ultraproducts of Boolean Algebras
JO  - Canadian journal of mathematics
PY  - 1995
SP  - 132
EP  - 145
VL  - 47
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1995-007-0/
DO  - 10.4153/CJM-1995-007-0
ID  - 10_4153_CJM_1995_007_0
ER  -