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scientific article; zbMATH DE number 701885
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scientific article; zbMATH DE number 701885

    Statements

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    28 September 1995
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    pure subgroups
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    generalizations of Butler groups
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    finite rank Butler groups
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    survey
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    Butler groups of infinite rank
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    infinite rank torsion- free Abelian groups
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    \(B_ 1\)-groups
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    balanced extensions
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    \(B_ 2\)- groups
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    ascending chain of subgroups
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    prebalanced subgroups
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