Flores, J.D., and J. Saavedra. “Iterative Methods for the Numerical Solution of Laplace’s Equation on Non-Simply Connected Domain in R²”. Trends in Computational and Applied Mathematics 2, no. 1 (June 1, 2001): 91–100. Accessed December 17, 2024. https://tcam.sbmac.org.br/tema/article/view/451.