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Šulka, Robert
Nilpotency in semigroups and sublattices of their Booleans. (English). Mathematica Slovaca, vol. 37 (1987), issue 2, pp. 147-158
MSC: 20M10, 20M12 | MR 899430 | Zbl 0616.20033
References:
[1] CLIFFORD A. H., PRESTON G. B.: The Algebraic Theory of Semigroups, I. Providence 1961.
[2] SCHWARZ Š.: K teorii periodičeskich polugrupp. Czech. Math. J. 3 (78), 1953, 7-21.
[3] ŠULKA R.: On the nilpotency in semigroups. Mat. časopis 18, 1968, 148-157. MR 0242979 | Zbl 0159.02701
[4] ŠULKA R.: The maximal semilattice decomposition of a semigroup, radicals and nilpotency. Mat. časopis 20, 1970, 172-180. MR 0311821 | Zbl 0249.20031
[5] ŠULKA R.: On three lattices that belong to every semigroup. Math. Slovaca 34, 1984, 217-228. MR 0744956 | Zbl 0597.20053
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