Lomautsau FE. Correction method of test solutions of the general wave equation in the first quarter of the plane for minimal smoothness of its right-hand side. Журнал Белорусского государственного университета. Математика. Информатика. 2018;(3):38-52. Accessed July 19, 2026. https://journals.bsu.by/index.php/mathematics/article/view/756