SURAGAN, D. Solving problem on faithful transfer of Sommerfeld radiation condition to a boundary of a bounded in 3D space. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 74, n. 3, p. 41–49, 2012. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/148. Acesso em: 22 dec. 2024.