TY  - JOUR
AU  - A Pollatchek
TI  - Relationships between conbinatorics and 0-simple semigroups.
JO  - Semigroup forum
PY  - 1976
SP  - 78
EP  - 82
VL  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1976__12_134159/
ID  - SF_1976__12_134159
ER  -