Schreier-Zassenhaus theorem for algebras. II
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František Šik (1983)
Czechoslovak Mathematical Journal
Józef Dudek (1981)
Czechoslovak Mathematical Journal
Vladimír Slezák (2000)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
František Machala (2000)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
František Machala (2001)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
Jiří Michálek (1984)
Kybernetika
Jiří Michálek (1984)
Kybernetika
Leonidas Konguetsof (1996)
Δελτίο της Ελληνικής Μαθηματικής Εταιρίας
Bohdan Zelinka (1995)
Mathematica Bohemica
A subtraction semigroup is a semigroup with a further operation "" added, called subtraction and satisfying certain axioms. The paper concerns a problem by B. M. Schein concerning the structure of multiplication in a subtraction semigroup.
Volenec, Vladimir (1989)
Portugaliae mathematica
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