TY  - JOUR
AU  - S. Schwarz
TI  - Powers of subsets in a finite semigroup.
JO  - Semigroup forum
PY  - 1995
SP  - 1
EP  - 22
VL  - 51
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1995__51_1_135396/
ID  - SF_1995__51_1_135396
ER  -