TY  - JOUR
AU  - T. Head
TI  - An algebraic characterization of multiplicative semigroups of real valued functions.
JO  - Semigroup forum
PY  - 1977
SP  - 93
EP  - 94
VL  - 14
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1977__14_186359/
ID  - SF_1977__14_186359
ER  -