Séminaire Lotharingien de Combinatoire, B06m (1982), 3 pp.
[Formerly: Publ. I.R.M.A. Strasbourg, 1982, 191/S-05, p.
106-108.]
Giuseppe Pirillo
Su un teorema di Justin
Abstract.
I briefly discuss a profound theorem of Justin on
finitely generated semigroups, and I give some
indications on a simpler proof of that result.
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