E-N. G. Grylonakis, C. K. Filelis-Papadopoulos, G. A. Gravvanis & A. S. Fokas. (2020). An Adaptive Complex Collocation Method for Solving Linear Elliptic PDEs in Regular Convex Polygons Based on the Unified Transform.
            <i>Numerical Mathematics: Theory, Methods and Applications</i>. <i>12</i> (2).
            348-369.
         doi:10.4208/nmtma.OA-2018-0017