Abstract
We construct an expansion of a solution to the Goursat problem for the sine-Gordon equation with respect to a small parameter that is involved in the data on characteristics. We prove that the expansion obtained is an asymptotic series.
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Translated from Sovremennaya Matematika i Ee Prilozheniya (Contemporary Mathematics and Its Applications), Vol. 98, Geometry and Mechanics, 2015.
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Ovchinnikov, A.V. On the Asymptotic Expansion of Solutions to the Goursat Problem for the Sine-Gordon Equation. J Math Sci 221, 297–303 (2017). https://doi.org/10.1007/s10958-017-3241-7
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DOI: https://doi.org/10.1007/s10958-017-3241-7