Kołodziej, Jan, and Magdalena Mierzwiczak. “Transient Heat Conduction by Different Versions of the Method of Fundamental Solutions - a Comparison Study”. Computer Assisted Methods in Engineering and Science, vol. 17, no. 1, Jan. 2017, pp. 75-88, https://cames3.ippt.pan.pl/index.php/cames/article/view/141.