TY  - JOUR
AU  - Peter R. Jones
TI  - Exchange properties and basis properties for closure operators
JO  - Colloquium Mathematicum
PY  - 1989
SP  - 29
EP  - 33
VL  - 57
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-57-1-29-33/
DO  - 10.4064/cm-57-1-29-33
LA  - en
ID  - 10_4064_cm_57_1_29_33
ER  -