TAYYEH, Q. A. A. . Some Properties of Helmholtz Equation to Solving Finite Element Method. Central Asian Journal of Theoretical and Applied Science, [S. l.], v. 6, n. 4, p. 772–779, 2025. DOI: 10.51699/cajotas.v6i4.1617. Disponível em: https://cajotas.casjournal.org/index.php/CAJOTAS/article/view/1617. Acesso em: 17 feb. 2026.