Nonlinear Analysis · 2014 · 22 citations · 8 references
Natural SciencesMathematicsPhysicsDifferential EquationsTheoretical PhysicsBoundary ConditionsBoundary-value ProblemsEigenvalue ProblemsHarmonic AnalysisPerturbation TheorySingular Perturbation TheoryElliptic Boundary-value ProblemsElliptic Partial Differential EquationsResonance Dynamics
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Morse theory and asymptotic linear Hamiltonian system
Shujie Li, J.Q Liu · Journal of Differential Equations · 1989 · 98 citations