TY  - JOUR
AU  - Jürgen Herzog
TI  - Generators and relations of Abelian semigroups and semigroup rings.
JO  - Manuscripta mathematica
PY  - 1970
SP  - 175
EP  - 194
VL  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1970__3_154017/
ID  - MM2_1970__3_154017
ER  -