Tang, Qinggan; Zeng, Ling Asymptotic behavior and oscillation for nonlinear neutral delay difference equations of higher order. (Chinese. English summary) Zbl 0954.39014 J. Math., Wuhan Univ. 20, No. 2, 207-210 (2000). MSC: 39A11 × Cite Format Result Cite Review PDF
Li, Xiaoping; Tang, Qinggan Oscillation in a neutral delay difference equation with positive and negative coefficients. (Chinese. English summary) Zbl 0938.39013 J. Math., Wuhan Univ. 19, No. 2, 185-189 (1999). MSC: 39A11 × Cite Format Result Cite Review PDF
Tang, Qinggan; Deng, Yuanbei Oscillation of difference equations with several delays. (Chinese. English summary) Zbl 0901.39003 J. Hunan Univ., Nat. Sci 25, No. 2, 1-3 (1998). MSC: 39A12 39A10 × Cite Format Result Cite Review PDF