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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 41, No. 11, pp. 1549–1552, November, 1989.
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Khusainov, D.Y., Yun'kova, E.A. Closeness of the solutions of linear systems with delay and their corresponding systems without delay. Ukr Math J 41, 1336–1338 (1989). https://doi.org/10.1007/BF01056504
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DOI: https://doi.org/10.1007/BF01056504