TY  - JOUR
AU  - H. Jürgensen
TI  - Computers in semigroups.
JO  - Semigroup forum
PY  - 1977
SP  - 1
EP  - 20
VL  - 15
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1977__15_134231/
ID  - SF_1977__15_134231
ER  -