TY  - JOUR
AU  - Selker, Kevin
TI  - Ideal independence, free sequences, and the ultrafilter number
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 2015
SP  - 117
EP  - 124
VL  - 56
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.015.110/
DO  - 10.14712/1213-7243.015.110
LA  - en
ID  - 10_14712_1213_7243_015_110
ER  -