Journal of Differential Equations · 1991 · 149 citations · 12 references
Natural SciencesMathematicsDynamical SystemsBifurcation TheoryChaos TheoryLimit CyclesLyapunov ExponentsNonlinear DynamicsStability TheoryBifurcationBifurcation Of Limit CyclesHopf BifurcationLimit Cycle DynamicsStability Of Limit Cycles
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Differential Equations--Geometric Theory
Harry Pollard, Solomon Lefschetz · Mathematics of Computation · 1964 · 756 citations · Full text
Contributions to the theory of nonlinear oscillations
Journal of the Franklin Institute · 1961 · 268 citations · Full text
Jeffrey P. Walker · The Shock and Vibration Digest · 1976 · 232 citations