%0 Journal Article %A N. P. Volchkova %A Vit. V. Volchkov %T A one-radius theorem on a sphere with pricked point %J Ufa mathematical journal %D 2019 %P 3-12 %V 11 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/UFA_2019_11_4_a0/ %G en %F UFA_2019_11_4_a0