Geodesic
On the Fourier coefficients of functions from multidimensional bounded $\Lambda$-variation classes
Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 1 (2011), pp. 10-18 
A. N. Bakhvalov. On the Fourier coefficients of functions from multidimensional bounded $\Lambda$-variation classes. Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 1 (2011), pp. 10-18. http://geodesic.mathdoc.fr/item/VMUMM_2011_1_a1/
@article{VMUMM_2011_1_a1,
     author = {A. N. Bakhvalov},
     title = {On the {Fourier} coefficients of functions from multidimensional bounded $\Lambda$-variation classes},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {10--18},
     year = {2011},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2011_1_a1/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

Estimates of trigonometric Fourier coefficients are obtained for functions from classes of bounded many-dimensional $\Lambda$-variation and functions continuous in $\Lambda$-variation. In some cases it is proved that these estimates are unimprovable by the order.