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Yan, Jurang Strong oscillations for second order nonlinear functional differential equations. (English) Zbl 0755.34067 Int. J. Math. Math. Sci. 13, No. 1, 151-158 (1990). Reviewer: Jiang Hong Wu (M. R. 91b:34123) MSC: 34K11 34C15 34C10 PDFBibTeX XMLCite \textit{J. Yan}, Int. J. Math. Math. Sci. 13, No. 1, 151--158 (1990; Zbl 0755.34067) Full Text: DOI EuDML