TY  - JOUR
AU  - Hiroshi Sakai
TI  - Partial square at $\omega _1$ is implied by MM
 but not by PFA
JO  - Fundamenta Mathematicae
PY  - 2011
SP  - 109
EP  - 131
VL  - 215
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm215-2-2/
DO  - 10.4064/fm215-2-2
LA  - en
ID  - 10_4064_fm215_2_2
ER  -