TY  - JOUR
AU  - D.W. Hardy
AU  - M.C. Thornton
TI  - Partial orders and their semigroups of closed relations.
JO  - Semigroup forum
PY  - 1982
SP  - 171
EP  - 184
VL  - 25
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1982__25_134571/
ID  - SF_1982__25_134571
ER  -