On complex limit cycles of the equationdw/dz=Pn/Qn
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Publication:3805071
DOI10.1070/RM1986V041N01ABEH003235zbMath0657.34029MaRDI QIDQ3805071
Publication date: 1986
Published in: Russian Mathematical Surveys (Search for Journal in Brave)
Periodic solutions to ordinary differential equations (34C25) Topological structure of integral curves, singular points, limit cycles of ordinary differential equations (34C05)
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