We establish some optimal, in a certain sense, general conditions sufficient for the unique solvability of the boundary-value problem for a system of nonlinear second-order functional differential equations. The considered class of equations covers, in particular, equations of the neutral type. Specific example is presented to illustrate the general theory.
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Published in Neliniini Kolyvannya, Vol. 19, No. 2, pp. 203–216, April–June, 2016.
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Dilna, N. On the Unique Solvability of a Nonlinear Nonlocal Boundary-Value Problem for Systems of Second-Order Functional Differential Equations. J Math Sci 223, 257–272 (2017). https://doi.org/10.1007/s10958-017-3352-1
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DOI: https://doi.org/10.1007/s10958-017-3352-1