Sanjeeb Kumar Kar,  Optimal Control of a Linear Distributed Parameter System via Shifted Legendre Polynomials.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2010, vol. 44(8). 1171 - 1176
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/5466.