TY  - JOUR
AU  - D. Schweigert
TI  - On semigroups of polynomial functions.
JO  - Semigroup forum
PY  - 1979
SP  - 5
EP  - 8
VL  - 18
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1979__18_134335/
ID  - SF_1979__18_134335
ER  -