TY  - JOUR
AU  - A. Kanamori
TI  - Some combinatorics involving ultrafilters
JO  - Fundamenta Mathematicae
PY  - 1978
SP  - 145
EP  - 155
VL  - 100
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-100-2-145-155/
DO  - 10.4064/fm-100-2-145-155
LA  - en
ID  - 10_4064_fm_100_2_145_155
ER  -