Abstract
We constructively obtain conditions for the existence of periodic solutions of systems of integro-differential equations in the degenerate case. By using integro-differential equations with a parameter, we construct an analytic representation of the solutions and obtain estimates for the convergence rate of iterative processes and for the exact solutions.
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Original Russian Text © G.V. Zavizion, 2009, published in Differentsial’nye Uravneniya, 2009, Vol. 45, No. 2, pp. 234–242.
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Zavizion, G.V. Analytic expansion of periodic solutions of integro-differential systems. Diff Equat 45, 240–248 (2009). https://doi.org/10.1134/S0012266109020104
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DOI: https://doi.org/10.1134/S0012266109020104