Retract irreducibility of monounary algebras
Danica Jakubíková-Studenovská (1999)
Czechoslovak Mathematical Journal
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Danica Jakubíková-Studenovská (1999)
Czechoslovak Mathematical Journal
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Emília Halušková (2002)
Mathematica Slovaca
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Danica Jakubíková-Studenovská (2000)
Czechoslovak Mathematical Journal
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Emília Halušková (2000)
Mathematica Bohemica
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In this paper we describe all algebras with one unary operation such that by a direct limit construction exactly two nonisomorphic algebras can be obtained from .