TY  - JOUR
AU  - P. Kranz
TI  - Extension of additive functionals and semicharacters on commutative semigroups.
JO  - Semigroup forum
PY  - 1979
SP  - 293
EP  - 306
VL  - 18
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1979__18_134359/
ID  - SF_1979__18_134359
ER  -