TY - JOUR AU - V. A. Il'in AU - I. Jo TI - 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 JO - Doklady Akademii Nauk PY - 1986 SP - 284 EP - 288 VL - 291 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1986_291_2_a5/ LA - ru ID - DAN_1986_291_2_a5 ER -