Literature cited
L. Fuchs, Infinite Abelian Groups, Vol. 1, Academic Press, New York (1970).
Yu. L. Ershov, Decidability Problems and Constructive Models [in Russian]. Nauka, Moscow (1980).
H. J. Keisler and C. C. Chang, Model Theory, North-Holland, Amsterdam (1977).
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Translated from Matematicheskie Zametki, Vol. 51, No. 2, pp. 40–45, February, 1992.
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Ivanov, A.M. Structure of ultrapowers on abelian groups over ω. Math Notes 51, 133–137 (1992). https://doi.org/10.1007/BF02102117
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DOI: https://doi.org/10.1007/BF02102117