Media type: E-Article Title: Quantitative convergence theorems for a class of Bernstein–Durrmeyer operators preserving linear functions Contributor: Gonska, H.; Păltănea, R. Published: Springer Science and Business Media LLC, 2010 Published in: Ukrainian Mathematical Journal, 62 (2010) 7, Seite 1061-1072 Language: English DOI: 10.1007/s11253-010-0413-8 ISSN: 0041-5995; 1573-9376 Origination: Footnote: