@article{Zeng_2011, title={Approximation for absolutely continuous functions by Stancu Beta operators}, volume={63}, url={https://umj.imath.kiev.ua/index.php/umj/article/view/2827}, abstractNote={In this paper, we obtain an exact estimate for the first-order absolute moment of Stancu Beta operators by means of the Stirling formula and integral operations. Then we use this estimate for establishing a theorem on approximation of absolutely continuous functions by Stancu Beta operators.}, number={11}, journal={Ukrainsâ€™kyi Matematychnyi Zhurnal}, author={Zeng, Xiao Ming}, year={2011}, month={Nov.}, pages={1570-1576} }