TY  - JOUR
AU  - Herrlich, Horst
TI  - Realizations of topologies and closure operators by set systems and by neighbourhoods
JO  - Archivum mathematicum
PY  - 1989
SP  - 83
EP  - 87
VL  - 25
IS  - 1-2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ARM_1989__25_1-2_a10/
LA  - en
ID  - ARM_1989__25_1-2_a10
ER  -