Journal of Differential Equations · 1966 · 111 citations · 4 references
Natural SciencesMathematicsPhysicsDifferential EquationsNumerical AnalysisNumerical Methods For Differential EquationsPartial Differential EquationsSystems Of Differential EquationsTime Integration Schemes
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L. S. GODDARD · Nature · 1963 · 1.1K citations · Full text
Asymptotic methods in the theory of non-linear oscillations
N. DeClaris · Proceedings of the IEEE · 1963 · 1K citations
Oscillations in nonlinear systems
Journal of the Franklin Institute · 1963 · 485 citations