The partial groupoid of idempotents of a regular semigroup.
Clifford, A.H.
Semigroup forum, Tome 11 (1975), p. 262-268 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1975-01-01
EUDML-ID : urn:eudml:doc:134118 
@article{GDZPPN001250671,
     title = {The partial groupoid of idempotents of a regular semigroup.},
     journal = {Semigroup forum},
     volume = {11},
     year = {1975},
     pages = {262-268},
     zbl = {0299.20045},
     url = {http://dml.mathdoc.fr/item/GDZPPN001250671}
}

Clifford, A.H. The partial groupoid of idempotents of a regular semigroup.. Semigroup forum, Tome 11 (1975) pp. 262-268. http://gdmltest.u-ga.fr/item/GDZPPN001250671/