TY  - JOUR
AU  - T.E. Hall
TI  - The partially ordered set of all J-classes of a finite semigroup.
JO  - Semigroup forum
PY  - 1974
SP  - 263
EP  - 264
VL  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1974__6_133983/
ID  - SF_1974__6_133983
ER  -