On the set of ranges of a transformation semigroup.
Levi, I.
Semigroup forum, Tome 31 (1985), p. 219-226 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1985-01-01
EUDML-ID : urn:eudml:doc:134748 
@article{GDZPPN001257528,
     title = {On the set of ranges of a transformation semigroup.},
     journal = {Semigroup forum},
     volume = {31},
     year = {1985},
     pages = {219-226},
     zbl = {0549.20049},
     url = {http://dml.mathdoc.fr/item/GDZPPN001257528}
}

Levi, I. On the set of ranges of a transformation semigroup.. Semigroup forum, Tome 31 (1985) pp. 219-226. http://gdmltest.u-ga.fr/item/GDZPPN001257528/