Negi, Shekhar Singh; Abbas, Syed; Malik, Muslim A generalized delta derivative on time scale with applications. (English) Zbl 1465.34102 Math. Methods Appl. Sci. 43, No. 15, 9046-9079 (2020). Reviewer: Roman Šimon Hilscher (Brno) MSC: 34N05 39A10 26A99 × Cite Format Result Cite Review PDF Full Text: DOI
Liu, Yuji; Liu, Xingyuan The existence of periodic solutions of higher order nonlinear periodic difference equations. (English) Zbl 1276.39007 Math. Methods Appl. Sci. 36, No. 11, 1459-1470 (2013). Reviewer: Lothar Berg (Rostock) MSC: 39A23 39A13 39A10 × Cite Format Result Cite Review PDF Full Text: DOI