Geodesic
An integrable system related to the spherical top and the Toda chain
Teoretičeskaâ i matematičeskaâ fizika, Tome 124 (2000) no. 2, pp. 310-322 Cet article a éte moissonné depuis la source Math-Net.Ru

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We study the integrable motion over the sphere $S^2$ in the potential $V=(x_1x_2x_3)^{-2/3}$ possessing an additional integral of motion that is cubic in the momenta. We construct the Lax representation without a spectral parameter and consider the relation to the three-particle Toda chain. 
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A. V. Tsiganov. An integrable system related to the spherical top and the Toda chain. Teoretičeskaâ i matematičeskaâ fizika, Tome 124 (2000) no. 2, pp. 310-322. http://geodesic.mathdoc.fr/item/TMF_2000_124_2_a8/

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