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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 26, No. 6, pp. 822–827, November–December, 1974.
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Rudakov, V.P. Necessary and sufficient conditions of continuability of solutions of delay-type differential-functional equations. Ukr Math J 26, 678–681 (1974). https://doi.org/10.1007/BF01085265
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DOI: https://doi.org/10.1007/BF01085265