On positive definiteness of some radial functions
Crossref DOI link: https://doi.org/10.1134/S1995080217020226
Published Online: 2017-04-01
Published Print: 2017-03
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Zastavnyi, V. P.
Porcu, E.
License valid from 2017-03-01