Обращающие гомоморфизмы колец.
В.Н. Герасимов (1979)
Algebra i Logika
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В.Н. Герасимов (1979)
Algebra i Logika
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И.М. Михеев (1977)
Algebra i Logika
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С.В. Рычков (1988)
Algebra i Logika
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Rosen, Michael I., Shisha, Oved (1984)
International Journal of Mathematics and Mathematical Sciences
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Р. Гончигдорж (1981)
Algebra i Logika
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К.А. Павлов, K. A. Pavlov, K. A. Pavlov, K. A. Pavlov (1995)
Algebra i Logika
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В.К. Харченко (1979)
Algebra i Logika
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Ю.В. Нагребецкая (2000)
Algebra i Logika
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О.К. Бабков (1980)
Algebra i Logika
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А.М. Себельдин, A. M. Sebel'din, A. M. Sebel'din, A. M. Sebel'din (1998)
Algebra i Logika
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Р. Гончигдорж (1978)
Algebra i Logika
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Manfred Dugas, Shalom Feigelstock (2003)
Colloquium Mathematicae
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A ring R is called an E-ring if every endomorphism of R⁺, the additive group of R, is multiplication on the left by an element of R. This is a well known notion in the theory of abelian groups. We want to change the "E" as in endomorphisms to an "A" as in automorphisms: We define a ring to be an A-ring if every automorphism of R⁺ is multiplication on the left by some element of R. We show that many torsion-free finite rank (tffr) A-rings are actually E-rings. While we have an example...