Complete families of periodic solutions of differential equations

DOI10.1007/BF02566940zbMath0056.31103MaRDI QIDQ2652015

Solomon Lefschetz

Publication date: 1954

Published in: Commentarii Mathematici Helvetici (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/139089

zbMATH Keywords

Ordinary differential equations

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