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Existence of forced oscillations for some singular dynamical systems - MaRDI portal

Existence of forced oscillations for some singular dynamical systems (Q2640966)

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Existence of forced oscillations for some singular dynamical systems
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    Existence of forced oscillations for some singular dynamical systems (English)
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    1990
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    periodic solutions
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    second-order Hamiltonian system
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    critical point theory
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