Literature cited
Kh. Bensaad and S. B. Norkin, “A boundary value problem with a control in an initial function for nonlinear systems of differential equations with a retarded argument,” Materials of the Third All-Union Conference on the Theory and Applications of Differential Equations with a Deflected Argument [in Russian], Chernovtsy (1972).
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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 25, No. 6, pp. 830–834, November–December, 1973.
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Seidov, Z.B. A boundary value problem for differentiable equations with a retarded argument. Ukr Math J 25, 692–695 (1973). https://doi.org/10.1007/BF01090807
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DOI: https://doi.org/10.1007/BF01090807