Geodesic
Two-gap 3-elliptic solutions of the Boussinesq and the Korteweg--de~Vries equations
Russian journal of nonlinear dynamics, Tome 7 (2011) no. 2, pp. 239-256.

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The behavior of the two-gap elliptic solutions of the Boussinesq and the KdV equations was examined. These solutions were constructed by the $n$-sheet covering over a torus ($n\leqslant3$). It was shown that the shape of the two-gap elliptic solutions depends on $n$ and doesn't depend on the kind of the nonlinear wave equation.
Mots-clés : soliton, Boussinesq equation
Keywords: KdV equation, theta-function, reduction, covering. 
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A. O. Smirnov; G. M. Golovachev; E. G. Amosenok. Two-gap 3-elliptic solutions of the Boussinesq and the Korteweg--de~Vries equations. Russian journal of nonlinear dynamics, Tome 7 (2011) no. 2, pp. 239-256. http://geodesic.mathdoc.fr/item/ND_2011_7_2_a3/

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