%0 Journal Article %A Ya. Sh. Salimov %T Equiconvergence of the Riesz means of expansions, corresponding to an $N$-fold system of exponents and to the $N$-fold fourier integral %J Matematičeskie zametki %D 1987 %P 57-70 %V 41 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1987_41_1_a6/ %G ru %F MZM_1987_41_1_a6