TY  - JOUR
AU  - Hernández-Hernández, Fernando
TI  - A tree $\pi $-base for $\Bbb R^\ast$ without cofinal branches
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 2005
SP  - 721
EP  - 734
VL  - 46
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_2005__46_4_a10/
LA  - en
ID  - CMUC_2005__46_4_a10
ER  -