For citations:
Manov A.D. On an extremal problem for positive definite functions. Chebyshevskii Sbornik. 2021;22(5):161-171. (In Russ.) https://doi.org/10.22405/2226-8383-2021-22-5-161-171
Manov A.D. On an extremal problem for positive definite functions. Chebyshevskii Sbornik. 2021;22(5):161-171. (In Russ.) https://doi.org/10.22405/2226-8383-2021-22-5-161-171