scientific article; zbMATH DE number 7028005

DOI10.13471/j.cnki.acta.snus.2018.03.007zbMath1424.34108MaRDI QIDQ4623645

Qi Zhang, Keke Guo

Publication date: 22 February 2019

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

zbMATH Keywords

integrating factorgeneralized centergeneralized singular point quantityresonant singular point

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) Explicit solutions, first integrals of ordinary differential equations (34A05)

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