Liu, Xiaoyou; Xu, Youjun Bogolyubov-type theorem with constraints generated by a fractional control system. (English) Zbl 1335.49007 Fract. Calc. Appl. Anal. 19, No. 1, 94-115 (2016). MSC: 49J15 49J45 34A08 26A33 PDFBibTeX XMLCite \textit{X. Liu} and \textit{Y. Xu}, Fract. Calc. Appl. Anal. 19, No. 1, 94--115 (2016; Zbl 1335.49007) Full Text: DOI
Xu, Youjun; Xu, Zhiting Oscillation criteria for two-dimensional dynamic systems on time scales. (English) Zbl 1161.39012 J. Comput. Appl. Math. 225, No. 1, 9-19 (2009). Reviewer: Hussain A. El-Saify (Beni Suef) MSC: 39A21 39A10 34C10 34N05 39A12 PDFBibTeX XMLCite \textit{Y. Xu} and \textit{Z. Xu}, J. Comput. Appl. Math. 225, No. 1, 9--19 (2009; Zbl 1161.39012) Full Text: DOI