Geodesic
Multidimensional Fourier transforms on an amalgam type space
Eurasian mathematical journal, Tome 10 (2019) no. 4, pp. 63-74.

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Generalizing the known results on the Fourier transforms on an amalgam type space, we introduce a multidimensional analogue of such a space, a subspace of $L^1(\mathbb{R}_+^n)$. Integrability results for the Fourier transforms are obtained provided that certain derivatives of the transformed function are in that space. As an application, we obtain conditions for the integrability of multiple trigonometric series. 
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E. Liflyand. Multidimensional Fourier transforms on an amalgam type space. Eurasian mathematical journal, Tome 10 (2019) no. 4, pp. 63-74. http://geodesic.mathdoc.fr/item/EMJ_2019_10_4_a6/

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