%0 Journal Article %A Vit. V. Volchkov %A G. V. Krasnoschyokikh %T A refinement of the two-radius theorem on the Bessel--Kingman hypergroup %J Matematičeskie zametki %D 2024 %P 212-228 %V 116 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2024_116_2_a3/ %G ru %F MZM_2024_116_2_a3