Staikos, Vasilios and Sficas, Yiannis:
On the Oscillation of Bounded Solutions of Forced Differential Equations with Deviating Arguments
Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Serie 8 58 (1975), fasc. n.3, p. 318-322, (English)
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Gli Autori studiano il comportamento oscillatorio e asintotico delle soluzioni dell'equazione differenziale con argomenti ritardati e non autonoma $\left[ r(t) x^{(n-m)}(t) \right] ^{(m)} + a(t) f(x[g_{1}(t)], \cdots , x[g_{l}(t)]) b(t)$; il risultato ottenuto estende in varie direzioni uno recente dovuto a T. Kusano e H. Onose. Inoltre discutono ulteriori estensioni dei loro risultati.
Referenze Bibliografiche
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