%0 Journal Article %A V. A. Il'in %A I. Jo %T Inequalities of Bessel and Hausdorff--Young--Riesz type for functions from a class of functions that are radial in a system of eigenfunctions of the Laplace operator %J Doklady Akademii Nauk %D 1986 %P 284-288 %V 291 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_291_2_a5/ %G ru %F DAN_1986_291_2_a5