TY  - JOUR
AU  - X.-Yu. Xie
AU  - F. Yan
TI  - Fuzzy ideals extenstions of ordered semigroups
JO  - Lobachevskii journal of mathematics
PY  - 2005
SP  - 29
EP  - 40
VL  - 19
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/LJM_2005_19_a2/
LA  - en
ID  - LJM_2005_19_a2
ER  -