Geodesic
Hidden symmetry of the Landau–Lifshitz equation, hierarchy of higher equations, and the dual equation for an asymmetric chiral field
Teoretičeskaâ i matematičeskaâ fizika, Tome 70 (1987) no. 1, pp. 18-29 
P. I. Holod. Hidden symmetry of the Landau–Lifshitz equation, hierarchy of higher equations, and the dual equation for an asymmetric chiral field. Teoretičeskaâ i matematičeskaâ fizika, Tome 70 (1987) no. 1, pp. 18-29. http://geodesic.mathdoc.fr/item/TMF_1987_70_1_a1/
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Voir la notice de l'article provenant de la source Math-Net.Ru

A group-theoretical scheme is developed for constructing higher stationary Landau–Lifshitz equations as the Euler equations on the orbits of hidden symmetry algebra (the algebra of $su(2)$-valued functions on an elliptic curve). Duality between the Landau–Lifshitz equation and asymmetric $O(3)$-chiral field equation is established.

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