Gal, Sorin G. Quantitative approximation by Stancu-Durrmeyer-Choquet-Šipoš operators. (English) Zbl 1505.41016 Math. Slovaca 69, No. 3, 625-638 (2019). Cited in 4 Documents MSC: 41A36 Approximation by positive operators PDFBibTeX XMLCite \textit{S. G. Gal}, Math. Slovaca 69, No. 3, 625--638 (2019; Zbl 1505.41016) Full Text: DOI