Semigroups with midunits.
Ault, J.E.
Semigroup forum, Tome 7 (1974), p. 346-351 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1974-01-01
EUDML-ID : urn:eudml:doc:133993 
@article{GDZPPN001249355,
     title = {Semigroups with midunits.},
     journal = {Semigroup forum},
     volume = {7},
     year = {1974},
     pages = {346-351},
     zbl = {0267.20060},
     url = {http://dml.mathdoc.fr/item/GDZPPN001249355}
}

Ault, J.E. Semigroups with midunits.. Semigroup forum, Tome 7 (1974) pp. 346-351. http://gdmltest.u-ga.fr/item/GDZPPN001249355/