TY  - JOUR
AU  - Flašková, Jana
TI  - A note on $\Cal J$-ultrafilters and $P$-points
JO  - Acta Universitatis Carolinae. Mathematica et Physica
PY  - 2007
SP  - 43
EP  - 48
VL  - 48
IS  - 2
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/AUCMP_2007__48_2_a4/
LA  - en
ID  - AUCMP_2007__48_2_a4
ER  -