Kurzweil, Jaroslav Zur Theorie der Schwingungen autonomer quasilinearer Systeme gewöhnlicher Differentialgleichungen. (Russian. German summary) Zbl 0068.30101 Czech. Math. J. 5(80), 517-531 (1955). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:Ordinary differential equations PDF BibTeX XML Cite \textit{J. Kurzweil}, Czech. Math. J. 5(80), 517--531 (1955; Zbl 0068.30101) Full Text: EuDML OpenURL