A simple construction of semigroups all of whose subsemigroups are left ideals.
Petrich, M.
Semigroup forum, Tome 4 (1972), p. 262-266 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1972-01-01
EUDML-ID : urn:eudml:doc:133904 
@article{GDZPPN001248391,
     title = {A simple construction of semigroups all of whose subsemigroups are left ideals.},
     journal = {Semigroup forum},
     volume = {4},
     year = {1972},
     pages = {262-266},
     zbl = {0261.20053},
     url = {http://dml.mathdoc.fr/item/GDZPPN001248391}
}

Petrich, M. A simple construction of semigroups all of whose subsemigroups are left ideals.. Semigroup forum, Tome 4 (1972) pp. 262-266. http://gdmltest.u-ga.fr/item/GDZPPN001248391/