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References
U. Albrecht and H. P. Goeters, Almost flat Abelian groups, to appear in theRocky Mountain J. of Math.
F. W. Anderson and K. R. Fuller,Rings and Categories of Modules, Springer-Verlag GTM 13 (New York, Berlin, 1974).
D. M. Arnold,Finite Rank Torsion Free Abelian Groups and Rings, Springer Lecture Note 931 (Berlin, Heidelberg, New York, 1982).
D. M. Arnold, Notes on Abelian groups flat as modules over their endomorphism ring, manuscript.
A. L. S. Corner, Every countable reduced torsion-free ring is an endomorphism ring,Proc. London Math. Soc.,13 (1963), 687–71.
L. Fuchs,Infinite Abelian Groups, Vol. II, Academic Press (New York and London, 1973).
T. Faticoni and H. P. Goeters, Examples of torsion-free Abelian group flat as modules over their endomorphism rings,Communications in Algebra,19 (1991), 1–27.
T. Faticoni and H. P. Goeters, On direct decomposition of torsion-free Abelian groups,Math. Scand.,5/7 (1957/69), 230–235 and 361–371.
J. Reid, On quasi-decomposition of torsion-free Abelian groups,Proc. Amer. Math. Soc.,13 (1962), 550–554.
J. D. Reid, On the ring of quasi-endomorphisms of a torsion-free group,Topics in Abelian Groups, (1963), 51–68.
H. Zassenhaus, Orders as endomorphism rings of modules of the same rank,Journal of the London Math. Soc.,42 (1967), 180–182.
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Albrecht, U., Goeters, H.P., Faticoni, T. et al. Subalgebras of rational matrix algebras. Acta Math Hung 74, 1–6 (1997). https://doi.org/10.1007/BF02697870
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DOI: https://doi.org/10.1007/BF02697870