Geodesic
On the geometric interpretation of solutions of a system generalizing the sine-Gordon equation
Fundamentalʹnaâ i prikladnaâ matematika, Tome 11 (2005) no. 1, pp. 93-139 
A. V. Bad'in. On the geometric interpretation of solutions of a system generalizing the sine-Gordon equation. Fundamentalʹnaâ i prikladnaâ matematika, Tome 11 (2005) no. 1, pp. 93-139. http://geodesic.mathdoc.fr/item/FPM_2005_11_1_a3/
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Voir la notice de l'article provenant de la source Math-Net.Ru

We propose a geometric interpretation of solutions of the system generalizing the well-known sine-Gordon equation. We prove that to any solution of the Efimov–Poznyak system in a simply-connected domain, a $C^{3}$-smooth singular surface with given first fundamrntal bilinear form corresponds.

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