Geodesic
On a class of elliptic potentials of the~Dirac operator
Sbornik. Mathematics, Tome 188 (1997) no. 1, pp. 115-135

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We show that there exists a class of finite-gap potentials of the Dirac operator and finite-gap solutions of the 'decomposed' non-linear Schrödinger equation which are single-valued meromorphic functions of $x$. It is also shown that the evolution of the poles $x_j(t)$ of these elliptic solutions satisfies the dynamics of the Calogero–Moser system 
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     author = {A. O. Smirnov},
     title = {On a class of elliptic potentials of {the~Dirac} operator},
     journal = {Sbornik. Mathematics},
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     url = {http://geodesic.mathdoc.fr/item/SM_1997_188_1_a5/}
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A. O. Smirnov. On a class of elliptic potentials of the~Dirac operator. Sbornik. Mathematics, Tome 188 (1997) no. 1, pp. 115-135. http://geodesic.mathdoc.fr/item/SM_1997_188_1_a5/