TY  - JOUR
AU  - E.A. Behrens
TI  - Semigroups with a noncommutative arithmetic.
JO  - Semigroup forum
PY  - 1981
SP  - 95
EP  - 118
VL  - 23
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1981__23_134508/
ID  - SF_1981__23_134508
ER  -