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Additional information
Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 24, No. 2, pp. 260–268, March–April, 1972.
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Misnik, A.F. An investigation of the stability in a critical case of certain null roots of a system of differential equations of neutral type. Ukr Math J 24, 217–223 (1972). https://doi.org/10.1007/BF01086817
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DOI: https://doi.org/10.1007/BF01086817