\Bibitem{Man24}
\by A.~D.~Manov
\paper On an extremal problem for positive definite functions with support in a ball
\jour Mat. Sb.
\yr 2024
\vol 215
\issue 7
\pages 61--73
\mathnet{http://mi.mathnet.ru/sm10006}
\crossref{https://doi.org/10.4213/sm10006}