A simple matrix semigroup which is not completely simple.
Kelarev, A.V.
Semigroup forum, Tome 37 (1988), p. 123-126 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1988-01-01
EUDML-ID : urn:eudml:doc:134920 
@article{GDZPPN00125930X,
     title = {A simple matrix semigroup which is not completely simple.},
     journal = {Semigroup forum},
     volume = {37},
     year = {1988},
     pages = {123-126},
     zbl = {0639.20044},
     url = {http://dml.mathdoc.fr/item/GDZPPN00125930X}
}

Kelarev, A.V. A simple matrix semigroup which is not completely simple.. Semigroup forum, Tome 37 (1988) pp. 123-126. http://gdmltest.u-ga.fr/item/GDZPPN00125930X/