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Translated from Matematicheskie Zametki, Vol. 2, No. 2, pp. 133–138, August, 1967.
The authors are grateful to all the participants of the representation theory seminar in the Mathematics Institute of the Academy of Sciences of the UkrSSR for assistance and attention during execution of this research.
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Drozd, Y.A., Turchin, V.M. Number of representation moduli in a genus for integer second-order matrix rings. Mathematical Notes of the Academy of Sciences of the USSR 2, 564–566 (1967). https://doi.org/10.1007/BF01094246
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DOI: https://doi.org/10.1007/BF01094246