TY  - JOUR
AU  - D.M. Davenport
TI  - On power commutative  semigroups.
JO  - Semigroup forum
PY  - 1992
SP  - 9
EP  - 20
VL  - 44
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1992__44_1_135126/
ID  - SF_1992__44_1_135126
ER  -