Khairil Iskandar Othman and  Zarina Bibi Ibrahim and  Mohamed Suleiman,  Parallel Block Backward Differentiation Formulas for Solving Ordinary Differential Equations.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2008, vol. 16(4). 257 - 259
    [viewed 18 October 2021]. Available from: https://publications.waset.org/pdf/7693.