TY  - JOUR
AU  - Adler, Andrew
AU  - Jorgensen, Murray
TI  - Descendingly Incomplete Ultrafilters and the Cardinality of Ultrapowers
JO  - Canadian journal of mathematics
PY  - 1972
SP  - 830
EP  - 834
VL  - 24
IS  - 5
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-082-6/
DO  - 10.4153/CJM-1972-082-6
ID  - 10_4153_CJM_1972_082_6
ER  -