TY  - JOUR
AU  - T. Harju
AU  - J. Karhumäki
TI  - On the defect theorem and simpliflability.
JO  - Semigroup forum
PY  - 1986
SP  - 199
EP  - 218
VL  - 33
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1986__33_134804/
ID  - SF_1986__33_134804
ER  -