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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 36, No. 4, pp. 437–443, July–August, 1984.
The authors wish to express their deep gratitude to Professor Y. G. Sficas for the useful advice and observations that the conveyed to us upon reading our manuscript.
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Kulenović, M.R., Grammatikopoulos, M.K. Stability of the asymptotic behavior of solutions of nonlinear differential inequalities relative to a lag in the argument. Ukr Math J 36, 352–358 (1984). https://doi.org/10.1007/BF01066553
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DOI: https://doi.org/10.1007/BF01066553