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 19 September 2024]. Available from: https://publications.waset.org/pdf/6590.