Geodesic
Fourier method in an initial-boundary value problem for a first-order partial differential equation with involution
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 51 (2011) no. 12, pp. 2233-2246 
M. Sh. Burlutskaya; A. P. Khromov. Fourier method in an initial-boundary value problem for a first-order partial differential equation with involution. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 51 (2011) no. 12, pp. 2233-2246. http://geodesic.mathdoc.fr/item/ZVMMF_2011_51_12_a7/
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     title = {Fourier method in an initial-boundary value problem for a~first-order partial differential equation with involution},
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Voir la notice de l'article provenant de la source Math-Net.Ru

The Fourier method is used to obtain a classical solution of an initial-boundary value problem for a first-order partial differential equation with involution in the function and its derivative. The series $\Sigma$ produced by the Fourier method as a formal solution of the problem is represented as $\Sigma=S_0+(\Sigma-\Sigma_0)$, where $\Sigma_0$ is the formal solution of a special reference problem for which the sum $S_0$ can be explicitly calculated. Refined asymptotic formulas for the solution of the Dirac system are used to show that the series $\Sigma-\Sigma_0$ and the series obtained from it by termwise differentiation converge uniformly. Minimal smoothness assumptions are imposed on the initial data of the problem.

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