TY  - JOUR
AU  - Šešelja Branimir
AU  - Vojvodić Gradimir
TI  - Fuzzy sets on S as closure operations on P(S)
JO  - Novi Sad Journal of Mathematics
PY  - 1984
SP  - 117
EP  - 127
VL  - 14
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NSJOM_1984__14__a32/
ID  - NSJOM_1984__14__a32
ER  -