TY  - JOUR
AU  - Z. Goseki
TI  - Multiplicative closed maps on the set of S-subsets of an S-set.
JO  - Semigroup forum
PY  - 1996
SP  - 181
EP  - 190
VL  - 52
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1996__52_3_135446/
ID  - SF_1996__52_3_135446
ER  -