VOLKOV, Vasiliy M.; KACHALOUSKAYA, Ekaterina I. An iterative Chebyshev spectral solver for two-dimensional elliptic equations with variable coefficients. Journal of the Belarusian State University. Mathematics and Informatics, [S. l.], n. 3, p. 53–62, 2023. Disponível em: https://journals.bsu.by/index.php/mathematics/article/view/5668. Acesso em: 18 jul. 2026.