TY  - JOUR
AU  - K.H. Hofmann
TI  - From a topological theory of semigroup to a geometric one.
JO  - Semigroup forum
PY  - 1995
SP  - 123
EP  - 134
VL  - 50
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1995__50_3_135373/
ID  - SF_1995__50_3_135373
ER  -