Irreducible semigroups are monotone.
Hays, T.E.
Semigroup forum, Tome 11 (1975), p. 25-31 / Harvested from Göttinger Digitalisierungszentrum
Access to full text
Publié le : 1975-01-01
EUDML-ID : urn:eudml:doc:134096 
@article{GDZPPN001250434,
     title = {Irreducible semigroups are monotone.},
     journal = {Semigroup forum},
     volume = {11},
     year = {1975},
     pages = {25-31},
     zbl = {0298.22002},
     url = {http://dml.mathdoc.fr/item/GDZPPN001250434}
}

Hays, T.E. Irreducible semigroups are monotone.. Semigroup forum, Tome 11 (1975) pp. 25-31. http://gdmltest.u-ga.fr/item/GDZPPN001250434/