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V. A. Yudin: The minimum of potential energy of a System of point charges. In: Discrete Mathematics and Applications. Band3, Nr.1, 2009, S.75–82, doi:10.1515/dma.1993.3.1.75.
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Joseph J. Thomson: On the structure of the atom: an investigation of the stability and periods of oscillation of a number of corpuscles arranged at equal intervals around the circumference of a circle; with application of the results to the theory of atomic structure. In: The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science. Series 6, Bd. 7, Nr. 39, 1904, ZDB-ID 5450-1, S. 237–265, doi:10.1080/14786440409463107.
Nikolay N. Andreev: An extremal property of the icosahedron. In: East Journal on Approximations. Bd. 2, Nr. 4, 1996, ISSN1310-6236, S. 459–462, MR 97m:52022, Zbl 0877.51021.