TY  - JOUR
AU  - Brunner, Norbert
TI  - Ultraproducts and the axiom of choice
JO  - Archivum mathematicum
PY  - 1986
SP  - 175
EP  - 180
VL  - 22
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ARM_1986__22_4_a0/
LA  - en
ID  - ARM_1986__22_4_a0
ER  -