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https://vestnmath.dnu.dp.ua/index.php/rim/article/view/422/0 Torsion Groups with the Norm of pd-Subgroup of Finite Index | Lukashova | Researches in Mathematics Torsion Groups with the Norm of pd-Subgroup of Finite Index torsion groupswith thefinite indexnormsubgroup https://eudml.org/doc/44820 EuDML | The group of homomorphisms of Abelian torsion groups. the grouptorsion groupshomomorphismsabelian