Xu, Jihua; Zhang, Zeyin Moment generating function and generalized Feller operators. (Chinese. English summary) Zbl 0979.41013 Acta Math. Sci. (Chin. Ed.) 20, Suppl., 707-712 (2000). Reviewer: Cao Jia-Ding (Shanghai) MSC: 41A35 41A36 PDFBibTeX XMLCite \textit{J. Xu} and \textit{Z. Zhang}, Acta Math. Sci. (Chin. Ed.) 20, 707--712 (2000; Zbl 0979.41013)
Xu, Ji Hua; Zhang, Ze Yin The degree of approximation of functions of bounded \(P\)th variation by BBH operators. (Chinese) Zbl 0900.41013 Acta Math. Sci. (Chin. Ed.) 14, No. 1, 14-22 (1994). MSC: 41A35 41A10 PDFBibTeX XMLCite \textit{J. H. Xu} and \textit{Z. Y. Zhang}, Acta Math. Sci. (Chin. Ed.) 14, No. 1, 14--22 (1994; Zbl 0900.41013)