ŻyndaT. Łukasz. “On Weights Which Admit Harmonic Bergman Kernel and Minimal Solutions of Laplace’s Equation”. Annales Mathematicae Silesianae, Vol. 36, no. 2, Sept. 2022, pp. 238-52, https://journals.us.edu.pl/index.php/AMSIL/article/view/14571.