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KP-II approximation for a scalar FPU system on a 2D square lattice. (arXiv:2207.10142v1 [nlin.SI]) http://arxiv.org/abs/2207.10142
KP-II approximation for a scalar FPU system on a 2D square lattice. (arXiv:2207.10142v1 [nlin.SI]) http://arxiv.org/abs/2207.10142