Walczak, Zbigniew Baskakov type operators. (English) Zbl 1348.41020 Rocky Mt. J. Math. 39, No. 3, 981-993 (2009). MSC: 41A36 41A25 PDFBibTeX XMLCite \textit{Z. Walczak}, Rocky Mt. J. Math. 39, No. 3, 981--993 (2009; Zbl 1348.41020) Full Text: DOI
Walczak, Zbigniew On a class of Szász-Mirakyan type operators. (English) Zbl 1174.41023 Czech. Math. J. 58, No. 3, 705-716 (2008). MSC: 41A36 PDFBibTeX XMLCite \textit{Z. Walczak}, Czech. Math. J. 58, No. 3, 705--716 (2008; Zbl 1174.41023) Full Text: DOI EuDML Link
Walczak, Zbigniew; Gupta, Vijay A note on the convergence of Baskakov type operators. (English) Zbl 1150.41326 Appl. Math. Comput. 202, No. 1, 370-375 (2008). MSC: 41A25 41A35 PDFBibTeX XMLCite \textit{Z. Walczak} and \textit{V. Gupta}, Appl. Math. Comput. 202, No. 1, 370--375 (2008; Zbl 1150.41326) Full Text: DOI
Walczak, Zbigniew Error estimates and the Voronovskaja theorem for modified Szász-Mirakyan operators. (English) Zbl 1108.41015 Math. Slovaca 55, No. 4, 465-476 (2005). Reviewer: Nikolai L. Vasilevski (Mexico City) MSC: 41A36 PDFBibTeX XMLCite \textit{Z. Walczak}, Math. Slovaca 55, No. 4, 465--476 (2005; Zbl 1108.41015) Full Text: EuDML