Colombo, Giuseppe Sulle oscillazioni non-lineari di combinazione. (Italian) Zbl 0078.08102 Rend. Sem. Mat. Univ. Padova 27, 162-175 (1957). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:Ordinary Differential Equations; Difference Equations PDFBibTeX XMLCite \textit{G. Colombo}, Rend. Semin. Mat. Univ. Padova 27, 162--175 (1957; Zbl 0078.08102) Full Text: Numdam EuDML