Azbelev, N. V. Zeros of solutions of a second-order linear differential equation with time-lag. (English) Zbl 0272.34094 Differ. Equations 7(1971), 865-873 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 2 Documents MSC: 34C10 Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations 34K99 Functional-differential equations (including equations with delayed, advanced or state-dependent argument) PDFBibTeX XMLCite \textit{N. V. Azbelev}, Differ. Equations 7, 865--873 (1973; Zbl 0272.34094)