Chai, Guoqing Initial value problems for nonlinear second-order impulsive integro-differential equations in Banach space. (Chinese. English summary) Zbl 0962.34045 Acta Math. Sci. (Chin. Ed.) 20, No. 3, 351-359 (2000). MSC: 34G20 45J05 PDFBibTeX XMLCite \textit{G. Chai}, Acta Math. Sci. (Chin. Ed.) 20, No. 3, 351--359 (2000; Zbl 0962.34045)
Chai, Guoqing Extremal solutions to nonlinear impulsive integro-differential equations in Banach space. (Chinese. English summary) Zbl 0962.34044 Acta Math. Sci. (Chin. Ed.) 20, No. 1, 74-80 (2000). MSC: 34G20 34A37 45J05 PDFBibTeX XMLCite \textit{G. Chai}, Acta Math. Sci. (Chin. Ed.) 20, No. 1, 74--80 (2000; Zbl 0962.34044)
Chai, Guoqing Some convergence theorems for iterative sequence of certain nonlinear operator in Banach space. (Chinese. English summary) Zbl 0922.47059 Acta Math. Sci. (Chin. Ed.) 18, No. 4, 459-466 (1998). MSC: 47J25 47H09 47H06 PDFBibTeX XMLCite \textit{G. Chai}, Acta Math. Sci. (Chin. Ed.) 18, No. 4, 459--466 (1998; Zbl 0922.47059)