Abstract
We prove the solvability of a high order partial differential equation with discrete deviation of the argument in lowest terms. The proof is carried out by the method of separation of variables. We also study the boundary-value problemfor a particular case which corresponds to a fourth-order nonlinear equation.
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Original Russian Text © O.I. Bzheumikhova, V.N. Lesev, 2016, published in Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika, 2016, No. 7, pp. 10–17.
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Bzheumikhova, O.I., Lesev, V.N. On the solvability of nonlinear partial differential equations of a high order with deviating argument in lowest terms. Russ Math. 60, 7–13 (2016). https://doi.org/10.3103/S1066369X16070021
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DOI: https://doi.org/10.3103/S1066369X16070021