TY  - JOUR
AU  - K.P. Shum
AU  - S.Y. Kwan
TI  - Lattices of order ideals on ordered semigroups.
JO  - Semigroup forum
PY  - 1980
SP  - 151
EP  - 176
VL  - 19
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1980__19_134380/
ID  - SF_1980__19_134380
ER  -