Lyapunov coefficients for an invisible fold-fold singularity in planar piecewise Hamiltonian systems
| Autor: | de Carvalho Braga, Denis, Fernandes da Fonseca, Alexander, Gonçalves, Luiz Fernando, Mello, Luis Fernando |
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| Zdroj: | In Journal of Mathematical Analysis and Applications 1 April 2020 484(1) |
| Databáze: | ScienceDirect |
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