Bărbosu, Dan Simultaneous approximation by bivariate Schurer-Stancu type operators. (English) Zbl 1126.41009 Math. Balk., New Ser. 20, No. 3-4, 351-358 (2006). MSC: 41A28 41A36 PDFBibTeX XMLCite \textit{D. Bărbosu}, Math. Balk., New Ser. 20, No. 3--4, 351--358 (2006; Zbl 1126.41009)
Bărbosu, Dan The Voronvskaja theorem for the Schurer-Stancu operators. (English) Zbl 1119.41302 Bul. Științ. Univ. Politeh. Timiș., Ser. Mat.-Fiz. 50(64), No. 1, 27-31 (2005). Reviewer: Ion Raşa (Cluj-Napoca) MSC: 41A36 41A63 PDFBibTeX XMLCite \textit{D. Bărbosu}, Bul. Științ. Univ. Politeh. Timiș., Ser. Mat.-Fiz. 50(64), No. 1, 27--31 (2005; Zbl 1119.41302)
Barbosu, Dan Bivariate operators of Schurer-Stancu type. (English) Zbl 1084.41531 An. Științ. Univ. “Ovidius” Constanța, Ser. Mat. 11, No. 1, 1-8 (2003). MSC: 41A36 41A63 PDFBibTeX XMLCite \textit{D. Barbosu}, An. Științ. Univ. ``Ovidius'' Constanța, Ser. Mat. 11, No. 1, 1--8 (2003; Zbl 1084.41531) Full Text: EuDML