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Arnold, D.M. (1977). Genera and direct sum decompositions of torsion free modules. In: Arnold, D.M., Hunter, R.H., Walker, E.A. (eds) Abelian Group Theory. Lecture Notes in Mathematics, vol 616. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0068197
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DOI: https://doi.org/10.1007/BFb0068197
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