Abstract
We obtain a description of quasi-endomorphism rings of almost completely decomposable torsion-free Abelian groups of rank 4 that do not coincide with their pseudo-socles.
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References
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Cherednikova, A.V. Quasi-endomorphism rings of almost completely decomposable torsion-free Abelian groups of rank 4 that do not coincide with their pseudo-socles. Math Notes 97, 621–631 (2015). https://doi.org/10.1134/S0001434615030335
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DOI: https://doi.org/10.1134/S0001434615030335