Nonlinear Analysis · 2002 · 10 citations · 7 references
Natural SciencesMathematicsPhysicsDifferential EquationsDynamical SystemsMathematical PhysicsDissipative SystemsHamiltonian DynamicsHamiltonian SystemsIntegrable SystemsNonlinear DynamicsSchrödinger EquationHamiltonian Normal FormsPeriodic Orbits In Hamiltonian SystemsPeriodic Solutions Of Differential Equations
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