TY  - JOUR
AU  - A.H. Clifford
TI  - The structure of bisimple left unipotent semigroups as ordered pairs.
JO  - Semigroup forum
PY  - 1972
SP  - 137
EP  - 144
VL  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1972__5_133930/
ID  - SF_1972__5_133930
ER  -