Geodesic
The Steinhaus Theorem on Equiconvergence for Functional-Differential Operators
Matematičeskie zametki, Tome 90 (2011) no. 1, pp. 22-33.

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We establish the equiconvergence of the series $S(af)$ and $a(x)S(f)$, where $S(f)$ is the Fourier series in the eigenfunctions and associated functions of a certain functional-differential operator with involution.
Keywords: Steinhaus theorem, functional-differential operator, Fourier series, Dirac operator, Lipschitz condition.
Mots-clés : equiconvergence of series 
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M. Sh. Burlutskaya; A. P. Khromov. The Steinhaus Theorem on Equiconvergence for Functional-Differential Operators. Matematičeskie zametki, Tome 90 (2011) no. 1, pp. 22-33. http://geodesic.mathdoc.fr/item/MZM_2011_90_1_a2/

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