Liu, Zhigong; Wei, Gengping Oscillation of difference equations with variable delay. (Chinese. English summary) Zbl 0986.39004 J. Henan Norm. Univ., Nat. Sci. 28, No. 3, 121-123 (2000). MSC: 39A11 PDF BibTeX XML Cite \textit{Z. Liu} and \textit{G. Wei}, J. Henan Norm. Univ., Nat. Sci. 28, No. 3, 121--123 (2000; Zbl 0986.39004)
Stavroulakis, I. P. Oscillations of functional differential equations. (English) Zbl 0902.34062 Mem. Differ. Equ. Math. Phys. 12, 196-203 (1997). Reviewer: Rong Yuan (Beijing) MSC: 34K11 34C15 34K25 PDF BibTeX XML Cite \textit{I. P. Stavroulakis}, Mem. Differ. Equ. Math. Phys. 12, 196--203 (1997; Zbl 0902.34062) Full Text: EuDML EMIS
Lalli, B. S.; Zhang, B. G. Oscillation of difference equations. (English) Zbl 0817.39001 Colloq. Math. 65, No. 1, 25-32 (1993). Reviewer: E.Thandapani (Salem) MSC: 39A10 39A12 PDF BibTeX XML Cite \textit{B. S. Lalli} and \textit{B. G. Zhang}, Colloq. Math. 65, No. 1, 25--32 (1993; Zbl 0817.39001) Full Text: DOI EuDML