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Topology of isoenergy surfaces of Kovalevskaya integrable case on the Lie algebra so(4). (arXiv:1912.05536v1 [math.DS]) http://arxiv.org/abs/1912.05536
Topology of isoenergy surfaces of Kovalevskaya integrable case on the Lie algebra so(4). (arXiv:1912.05536v1 [math.DS]) http://arxiv.org/abs/1912.05536