Dylan M. Copeland,  Boundary-Element-Based Finite Element Methods for Helmholtz and Maxwell Equations on General Polyhedral Meshes.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2009, vol. 33(9). 661 - 674
    [viewed 05 May 2024]. Available from: https://publications.waset.org/pdf/11153.