Kroó, András; Szabados, József On the density of homogeneous polynomials on regular convex surfaces. (English) Zbl 1199.41030 Acta Sci. Math. 75, No. 1-2, 143-159 (2009). MSC: 41A10 41A63 PDFBibTeX XMLCite \textit{A. Kroó} and \textit{J. Szabados}, Acta Sci. Math. 75, No. 1--2, 143--159 (2009; Zbl 1199.41030)
Kroó, A.; Szabados, J. Approximation by lacunary Bernstein and self-reciprocal polynomials. (English) Zbl 0830.41009 Acta Sci. Math. 60, No. 3-4, 467-486 (1995). MSC: 41A10 41A17 41A29 PDFBibTeX XMLCite \textit{A. Kroó} and \textit{J. Szabados}, Acta Sci. Math. 60, No. 3--4, 467--486 (1995; Zbl 0830.41009)
Kroó, András On the unicity of best Chebyshev approximation of differentiable functions. (English) Zbl 0578.41031 Acta Sci. Math. 47, 377-389 (1984). Reviewer: D.Wulbert MSC: 41A50 41A52 41A65 PDFBibTeX XMLCite \textit{A. Kroó}, Acta Sci. Math. 47, 377--389 (1984; Zbl 0578.41031)