TY  - JOUR
AU  - John Rhodes
TI  - Finite binary relations have no more complexity than finite semigroups.
JO  - Semigroup forum
PY  - 1974
SP  - 92
EP  - 103
VL  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1974__7_134004/
ID  - SF_1974__7_134004
ER  -