TY  - JOUR
AU  - Puš, Vladimír
TI  - Representation of semigroups by products of simple graphs
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1989
SP  - 227
EP  - 234
VL  - 30
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/CMUC_1989_30_2_a2/
LA  - en
ID  - CMUC_1989_30_2_a2
ER  -