TY  - JOUR
AU  - P. Plappert
TI  - A sandwich theorem for monotone additive functions.
JO  - Semigroup forum
PY  - 1995
SP  - 347
EP  - 356
VL  - 51
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1995__51_1_135422/
ID  - SF_1995__51_1_135422
ER  -