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On Classical $r$-Matrix for the Kowalevski Gyrostat on $\mathrm{so}(4)$
Symmetry, integrability and geometry: methods and applications, Tome 2 (2006) Cet article a éte moissonné depuis la source Math-Net.Ru

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We present the trigonometric Lax matrix and classical $r$-matrix for the Kowalevski gyrostat on $\mathrm{so}(4)$ algebra by using the auxiliary matrix algebras $\mathrm{so}(3,2)$ or $\mathrm{sp}(4)$.
Keywords: Kowalevski top; Lax matrices; classical $r$-matrix. 
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     author = {Igor V. Komarov and Andrey V. Tsiganov},
     title = {On {Classical} $r${-Matrix} for the {Kowalevski} {Gyrostat} on $\mathrm{so}(4)$},
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}
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Igor V. Komarov; Andrey V. Tsiganov. On Classical $r$-Matrix for the Kowalevski Gyrostat on $\mathrm{so}(4)$. Symmetry, integrability and geometry: methods and applications, Tome 2 (2006). http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a11/

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