Arushanian, I. “The Application of the Boundary Integral Equation Method to Numerical Solution of Dirichlet’s Problem in Domains With Corner Points”. Numerical Methods and Programming (Vychislitel’nye Metody I Programmirovanie), vol. 1, no. 1, Jan. 2000, pp. 1-7, https://en.num-meth.ru/index.php/journal/article/view/1.