On the idempotent ranks of certain semigroups of order-preserving transformations.
Garba, G.U.
Portugaliae Mathematica. Nova Série, Tome 51 (1994), p. 185-204 / Harvested from The Electronic Library of Mathematics
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Publié le : 1994-01-01
EUDML-ID : urn:eudml:doc:47075 
@article{00639826,
     title = {On the idempotent ranks of certain semigroups of order-preserving transformations.},
     journal = {Portugaliae Mathematica. Nova S\'erie},
     volume = {51},
     year = {1994},
     pages = {185-204},
     zbl = {0807.20053},
     language = {en},
     url = {http://dml.mathdoc.fr/item/00639826}
}

Garba, G.U. On the idempotent ranks of certain semigroups of order-preserving transformations.. Portugaliae Mathematica. Nova Série, Tome 51 (1994) pp. 185-204. http://gdmltest.u-ga.fr/item/00639826/