TY  - JOUR
AU  - W.A.F. Ruppert
TI  - Endomorphic actions of ßN on the torus group.
JO  - Semigroup forum
PY  - 1991
SP  - 202
EP  - 217
VL  - 43
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1991__43_3_135109/
ID  - SF_1991__43_3_135109
ER  -