%0 Journal Article %A A. D. Manov %T An extremal problem for positive definite functions with support in a ball %J Sbornik. Mathematics %D 2024 %P 920-931 %V 215 %N 7 %U http://geodesic.mathdoc.fr/item/SM_2024_215_7_a2/ %G en %F SM_2024_215_7_a2