Groups whose all infinite Abelian pd-subgroups are normal von Liman , F. N., Лиман , Ф. Н.

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On periodical groups, where all decomposited $pd$-subgroups are normal von Liman, F. N., Лиман, Ф. Н.

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Nonperiodic groups whose all expanded $pd$-subgroups are normal von Liman , F. N., Лиман , Ф. Н.

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On infinite groups whose noncyclic norm has a finite index von Liman, F. N., Лиман, Ф. Н., Лиман, Ф. Н.

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On the norm of decomposable subgroups in nonperiodic groups von Liman, F. N., Lukashova, T. D., Лиман, Ф. Н., Лукашова, Т. Д., Лиман, Ф. Н., Лукашова, Т. Д.

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