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Translated from Matematicheskie Zametki, Vol. 53, No. 5, pp. 21–28, May, 1993.
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Biyarov, B.N., Otelbaev, M. A description of normal extensions. Math Notes 53, 474–478 (1993). https://doi.org/10.1007/BF01208540
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DOI: https://doi.org/10.1007/BF01208540