Abstract
We construct Bäcklund transformations for the generalized sine-Gordon equations in 2+1 and 3+1 dimensions. The connection of these equations with the nonlinear σ model is considered.
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Popowicz, Z. Bäcklund transformations for the generalized sine-gordon equation in 2+1 and 3+1 dimensions. Lett Math Phys 3, 431–436 (1979). https://doi.org/10.1007/BF00397219
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DOI: https://doi.org/10.1007/BF00397219