TY  - JOUR
AU  - Ranzato, F.
TI  - A counterexample to a result concerning closure operators.
JO  - Portugaliae mathematica
PY  - 2001
SP  - 121
EP  - 125
VL  - 58
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_2001__58_1_49581/
LA  - en
ID  - PORMA_2001__58_1_49581
ER  -