Changqing Yang and  Jianhua Hou,  Numerical Solution of Volterra Integro-differential Equations of Fractional Order by Laplace Decomposition Method.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2013, vol. 77(5). 863 - 867
    [viewed 15 August 2020]. Available from: https://publications.waset.org/pdf/16752.