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Topological charges and conservation laws involving an arbitrary function of time for dynamical PDEs. (arXiv:2006.03639v1 [math-ph]) http://arxiv.org/abs/2006.03639
Topological charges and conservation laws involving an arbitrary function of time for dynamical PDEs. (arXiv:2006.03639v1 [math-ph]) http://arxiv.org/abs/2006.03639