TY  - JOUR
AU  - Jorgensen, Murray
TI  - Regular Ultrafilters and Long Ultrapowers
JO  - Canadian mathematical bulletin
PY  - 1975
SP  - 41
EP  - 43
VL  - 18
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-008-x/
DO  - 10.4153/CMB-1975-008-x
ID  - 10_4153_CMB_1975_008_x
ER  -