Some results on congruences on R-unipotent semigroups.
Gomes, G.M.S.
Semigroup forum, Tome 33 (1986), p. 175-186 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1986-01-01
EUDML-ID : urn:eudml:doc:134802 
@article{GDZPPN001258095,
     title = {Some results on congruences on R-unipotent semigroups.},
     journal = {Semigroup forum},
     volume = {33},
     year = {1986},
     pages = {175-186},
     zbl = {0582.20050},
     url = {http://dml.mathdoc.fr/item/GDZPPN001258095}
}

Gomes, G.M.S. Some results on congruences on R-unipotent semigroups.. Semigroup forum, Tome 33 (1986) pp. 175-186. http://gdmltest.u-ga.fr/item/GDZPPN001258095/