This work was done while the first author was a fellow of the "Schweizerische Nationalfonds"
Research of the second author supported in part by a grant from the (U.S.) National Science Foundation.
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Huber, M., Warfield, R.B. (1981). Homomorphisms between cartesian powers of an abelian group. In: Göbel, R., Walker, E. (eds) Abelian Group Theory. Lecture Notes in Mathematics, vol 874. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0090536
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DOI: https://doi.org/10.1007/BFb0090536
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