Hong, Shihuang; Ou, Yigui On the solvability of initial and boundary value problems for high-order ordinary differential equations in Banach spaces. (Chinese. English summary) Zbl 0956.34047 Acta Math. Sci. (Chin. Ed.) 19, No. 5, 559-564 (1999). MSC: 34G20 34A12 34B15 PDFBibTeX XMLCite \textit{S. Hong} and \textit{Y. Ou}, Acta Math. Sci. (Chin. Ed.) 19, No. 5, 559--564 (1999; Zbl 0956.34047)
Hong, Shihuang; Hu, Shigeng Existence and uniqueness of solutions for boundary value problems of higher-order ordinary differential equations. (Chinese. English summary) Zbl 0939.34020 Acta Math. Sci. (Chin. Ed.) 19, No. 3, 247-255 (1999). MSC: 34B15 34A45 PDFBibTeX XMLCite \textit{S. Hong} and \textit{S. Hu}, Acta Math. Sci. (Chin. Ed.) 19, No. 3, 247--255 (1999; Zbl 0939.34020)