M. Zarebnia and  S. Khani,  Numerical Solution of Hammerstein Integral Equations by Using Quasi-Interpolation.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2013, vol. 76(4). 716 - 719
    [viewed 22 May 2022]. Available from: https://publications.waset.org/pdf/16795.