Durvesh Kumar Verma and  P. N. Agrawal,  Rate of Convergence for Generalized Baskakov-Durrmeyer Operators.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2012, vol. 71(11). 1617 - 1622
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/15195.