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Publication:3981301
zbMath0737.34021MaRDI QIDQ3981301
Publication date: 26 June 1992
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
normal formquadratic systemdegeneracyweak focusweak saddlehomoclinic loop bifurcationmultiple Hopf bifurcationlimit cycles of polynomial vector fields
Topological structure of integral curves, singular points, limit cycles of ordinary differential equations (34C05) Transformation and reduction of ordinary differential equations and systems, normal forms (34C20) Bifurcation theory for ordinary differential equations (34C23)
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