WASET
    M. Zarebnia and  M. Hoshyar and  M. Sedaghati,  Non-Polynomial Spline Method for the Solution of Problems in Calculus of Variations.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2011, vol. 51(3). 484 - 489
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/6590.