Elabbasy, El M.Hegazi, A. S.Saker, S. H.2019-12-122019-12-122000-02-16Elabbasy, E. M., Hegazi, A. S., & Saker, S. H. (2000). Oscillation of solutions to delay differential equations with positive and negative coefficients. <i>Electronic Journal of Differential Equations, 2000</i>(13), pp. 1-13.1072-6691https://hdl.handle.net/10877/9063In this article we present infinite-integral conditions for the oscillation of all solutions of first-order delay differential equations with positive and negative coefficients.Text13 pages1 file (.pdf)enAttribution 4.0 InternationalOscillationDelay differential equationsArticle