TY  - JOUR
AU  - W.A.F. Ruppert
TI  - On open subsemigroups of connected groups.
JO  - Semigroup forum
PY  - 1989
SP  - 347
EP  - 362
VL  - 39
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1989__39_2_134996/
ID  - SF_1989__39_2_134996
ER  -