Analytical solution of the multigroup neutron diffusion equation coupled with an iterative method. Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 10, n. 3A (Suppl.), 2022. DOI: 10.15392/2319-0612.2022.2005. Disponível em: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/2005. Acesso em: 2 may. 2025.