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Andréka, Hajnal ; Németi, István ; Šulka, Robert
Remark on one-sided $A$-ideals of semigroups. (English). Mathematica Slovaca, vol. 33 (1983), issue 2, pp. 231-235
MSC: 20M05, 20M10, 20M12 | MR 699093 | Zbl 0518.20061
References:
[1] CLIFFORD A. H., PRESTON G. B.: The algebгaic theoгy of Semigroups I. Math. Suгveys 7, Pгovidence, 1961. MR 0132791
[2] GROŠEK O., SATKO L.: A new notion in the theoгy of Semigгoup. Semigгoup Foгum, 20, 1980, 233-240. MR 0582229
[3] TAMURA T., HAMILTON H. B.: Commutative semigroups with greatest group-homomorphism. Proc. Japan Acad., 47, 1971, 671-675. MR 0304526 | Zbl 0244.20076
[4] PETRICH M.: Introduction to Semigroups. Charles E. Merrill Publishing Co., 1973. MR 0393206 | Zbl 0321.20037
[5] ŠULKA R.: The minimal right A-ideal of the free semigroup on a coutable set. Math. Slovaca 32, 1982, 301-304. MR 0670007
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