TY  - JOUR
AU  - P.R. Chernoff
TI  - Extensions and triviality of multipliers on sub-semigroups of the reals.
JO  - Semigroup forum
PY  - 1990
SP  - 237
EP  - 244
VL  - 41
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1990__41_2_135051/
ID  - SF_1990__41_2_135051
ER  -