Geodesic
A criterion for a~spherical design associated with V.\,A.~Yudin potentials
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (2011), pp. 15-20.

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We establish a criterion for a spherical design associated with V. A. Yudin's potentials. Thus we have obtained an extremal property of spherical designs.
Keywords: spherical design, spherical design extremal property, spherical design criterion. 
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R. E. Afonin; A. B. Pevnyi. A criterion for a~spherical design associated with V.\,A.~Yudin potentials. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (2011), pp. 15-20. http://geodesic.mathdoc.fr/item/IVM_2011_12_a1/

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