Abstract
We obtain conditions for the solvability of the inverse problem of the variational calculus for differential equations of second order with deviating argument of special form as well as the formula for the functional of the inverse problem defined by the integral that differs from the standard one by that the required function has a retarded argument.
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Original Russian Text © V. G. Zadorozhnii, G. A. Kurina, 2011, published in Matematicheskie Zametki, 2011, Vol. 90, No. 2, pp. 231–241.
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Zadorozhnii, V.G., Kurina, G.A. Inverse problem of the variational calculus for differential equations of second order with deviating argument. Math Notes 90, 218 (2011). https://doi.org/10.1134/S0001434611070212
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DOI: https://doi.org/10.1134/S0001434611070212