Publication | Closed Access
The existence of the second fixed point: A correction to “periodic solutions of x″ + f(x, t) = 0 via the Poincaré-Birkhoff theorem”
17
Citations
6
References
1977
Year
Periodic SolutionsSecond Fixed PointOscillation TheoryFunctional AnalysisPoincaré-birkhoff Theorem ”Nonlinear Functional Analysis
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