The modified spectral deterministic method applied to fixed–source discrete ordinates problems in X,Y–geometry. Braz. J. Radiat. Sci. [Internet]. 9 de febrero de 2021 [citado 21 de julio de 2025];8(3A (Suppl.). Disponible en: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/1268