Alexandra Leukauf and  Alexander Schirrer and  Emir Talic,  Fourier Galerkin Approach to Wave Equation with Absorbing Boundary Conditions.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2017, vol. 128(8). 380 - 385
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10007741.