ENADI, Myasar Obaid; AL-JAWARY, Majeed A. A Numerical Study of Initial and Boundary Conditions Problem for Wave Equation Using the Operational Matrices. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 38, n. 4, p. 376–397, 2025. DOI: 10.30526/38.4.4097. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/4097. Acesso em: 24 oct. 2025.