Volkov VM, Kachalouskaya EI. An iterative Chebyshev spectral solver for two-dimensional elliptic equations with variable coefficients. Журнал Белорусского государственного университета. Математика. Информатика [Internet]. 2023 Dec. 13 [cited 2026 Jul. 19];(3):53-62. Available from: https://journals.bsu.by/index.php/mathematics/article/view/5668