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zbMath1240.34167MaRDI QIDQ3014697

Bo Sang, Jilin Yi, Si-Ming Zhu

Publication date: 19 July 2011

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

isochronous center isochronicity time-reversible system

Mathematics Subject Classification ID

Periodic solutions to ordinary differential equations (34C25) Topological structure of integral curves, singular points, limit cycles of ordinary differential equations (34C05) Symmetries, invariants of ordinary differential equations (34C14)

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