TY  - JOUR
AU  - F.R. McMorris
AU  - C.S. jr. Johnson
TI  - Semigroups for which every S-system has the natural partial order.
JO  - Semigroup forum
PY  - 1974
SP  - 51
EP  - 55
VL  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1974__8_134023/
ID  - SF_1974__8_134023
ER  -