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Abrhan, Imrich ; Satko, Ladislav
$r$-systems of unary algebras. II: Maximal and minimal subalgebras of the direct products of unary algebras. (English). Mathematica Slovaca, vol. 44 (1994), issue 1, pp. 69-83
MSC: 08A30, 08A60, 20M35 | MR 1290274 | Zbl 0819.08002
Related articles:
$r$-systems of unary algebras. I: On maximal and greatest $J$-classes of the direct product of unary algebras
References:
[1] ABRHAN I., SATKO L.: r-systems of unary algebras I. Math. Slovaca 44 (1994), 69-83. MR 1290274 | Zbl 0799.08006
[2] ABRHAN I.: On maximal subalgebras of unary algebras. (Russian), Mat. Cas. 24 (1974), 113-128. MR 0387156
[3] ABRHAN I.: On J-Subalgebras of Unary Algebras and J-Ideals of Groupoids. (Slovak) Theses for habilitation, SjF STU, Bratislava.
[4] ABRHAN I.: On J-subalgebras of unary algebras, on prime ideals and J-ideals of groupoids and semigroups. (Russian), Math. Slovaca 28 (1978), 61-80. MR 0527775
[5] GÉCZEG F., PEÁK I.: Algebraic Theory of Automata. Acad. Kiadó, Budapest, 1972. MR 0332374
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