Two remarks on dually residuated lattice ordered semigroups
Tomáš Kovář (1999)
Mathematica Slovaca
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Tomáš Kovář (1999)
Mathematica Slovaca
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Tomáš Kovář (2000)
Mathematica Slovaca
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G. Ciobanu, M. Deaconescu (1985)
Semigroup forum
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Tomáš Kovář (2000)
Mathematica Slovaca
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