Kong, Qingkai; Zafer, Ağacık Lower bounds for the eigenvalues of first-order nonlinear Hamiltonian systems on time scales. (English) Zbl 1408.34073 Appl. Math. Lett. 90, 154-161 (2019). MSC: 34N05 34B08 34B09 37J99 39A10 PDFBibTeX XMLCite \textit{Q. Kong} and \textit{A. Zafer}, Appl. Math. Lett. 90, 154--161 (2019; Zbl 1408.34073) Full Text: DOI
Kong, Lingju; Kong, Qingkai Uniqueness and parameter dependence of solutions of second-order boundary value problems. (English) Zbl 1181.34021 Appl. Math. Lett. 22, No. 11, 1633-1638 (2009). MSC: 34B08 34B10 34B18 PDFBibTeX XMLCite \textit{L. Kong} and \textit{Q. Kong}, Appl. Math. Lett. 22, No. 11, 1633--1638 (2009; Zbl 1181.34021) Full Text: DOI