Ilia Marchevsky and  Victoriya Moreva,  On Modified Numerical Schemes in Vortex Element Method for 2D Flow Simulation Around Airfoils.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2012, vol. 68(8). 1227 - 1233
    [viewed 15 October 2019]. Available from: https://publications.waset.org/pdf/10787.