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Institute of Mathematics, Ukrainian Academy of Sciences, Kiev. Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 51, No. 8, pp. 1011–1013, June, 1999.
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Mitropol’skii, Y.A. On the 90th Anniversary of the Birth of Academician N.N. Bogolyubov. Ukr Math J 51, 1141–1142 (1999). https://doi.org/10.1007/BF02592503
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DOI: https://doi.org/10.1007/BF02592503