Kartsatos, A. G.; Manougian, M. N. Further results on oscillation of functional-differential equations. (English) Zbl 0326.34087 J. Math. Anal. Appl. 53, 28-37 (1976). MSC: 34K99 34C10 PDFBibTeX XMLCite \textit{A. G. Kartsatos} and \textit{M. N. Manougian}, J. Math. Anal. Appl. 53, 28--37 (1976; Zbl 0326.34087) Full Text: DOI
Kartsatos, A. G.; Manougian, M. N. Perturbations causing oscillations of functional-differential equations. (English) Zbl 0291.34051 Proc. Am. Math. Soc. 43, 111-117 (1974). MSC: 34K99 PDFBibTeX XMLCite \textit{A. G. Kartsatos} and \textit{M. N. Manougian}, Proc. Am. Math. Soc. 43, 111--117 (1974; Zbl 0291.34051) Full Text: DOI