@article{DAN_1986_291_2_a5,
     author = {V. A. Il'in and I. Jo},
     title = {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},
     journal = {Doklady Akademii Nauk},
     pages = {284--288},
     publisher = {mathdoc},
     volume = {291},
     number = {2},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_291_2_a5/}
}