TY  - JOUR
AU  - A. Umar
TI  - Semigroups of order-decreasing transformations: the isomorphism theorem.
JO  - Semigroup forum
PY  - 1996
SP  - 220
EP  - 224
VL  - 53
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1996__53_2_135486/
ID  - SF_1996__53_2_135486
ER  -